Thirty-two-bar form
Encyclopedia
The thirty-two-bar form, often called AABA from the musical form
Musical form
The term musical form refers to the overall structure or plan of a piece of music, and it describes the layout of a composition as divided into sections...

 or order in which its melodies occur, is common in Tin Pan Alley
Tin Pan Alley
Tin Pan Alley is the name given to the collection of New York City music publishers and songwriters who dominated the popular music of the United States in the late 19th century and early 20th century...

 songs and later popular music including rock
Rock and roll
Rock and roll is a genre of popular music that originated and evolved in the United States during the late 1940s and early 1950s, primarily from a combination of African American blues, country, jazz, and gospel music...

, pop
Pop music
Pop music is usually understood to be commercially recorded music, often oriented toward a youth market, usually consisting of relatively short, simple songs utilizing technological innovations to produce new variations on existing themes.- Definitions :David Hatch and Stephen Millward define pop...

 and jazz
Jazz
Jazz is a musical style that originated at the beginning of the 20th century in African American communities in the Southern United States. It was born out of a mix of African and European music traditions. From its early development until the present, jazz has incorporated music from 19th and 20th...

. Though it resembles the ternary form
Ternary form
Ternary form, sometimes called song form, is a three-part musical form, usually schematicized as A-B-A. The first and third parts are musically identical, or very nearly so, while the second part in some way provides a contrast with them...

 of the opera
Opera
Opera is an art form in which singers and musicians perform a dramatic work combining text and musical score, usually in a theatrical setting. Opera incorporates many of the elements of spoken theatre, such as acting, scenery, and costumes and sometimes includes dance...

tic da capo aria
Da capo aria
The da capo aria is a musical form, which was prevalent in the Baroque era. It is sung by a soloist with the accompaniment of instruments, often a small orchestra. The da capo aria is very common in the musical genres of opera and oratorio...

 its popularity declined and "there were few instances of it in any type of popular music until the late teens" of the 20th century. It became "the principal form" of American popular song around 1925–1926.

Some Tin Pan Alley
Tin Pan Alley
Tin Pan Alley is the name given to the collection of New York City music publishers and songwriters who dominated the popular music of the United States in the late 19th century and early 20th century...

 songs composed as numbers for musicals precede the main tune with a "sectional verse" that is usually sixteen bars long. The verse establishes the background and mood of the number, and is musically undistinguished in order to highlight the attractions of the main tune. The main tune is called the refrain
Refrain
A refrain is the line or lines that are repeated in music or in verse; the "chorus" of a song...

 or chorus. The sectional verse is often omitted from modern performances, and thus the refrain is often the only section remembered and heard.

In the refrain, the A section or verse forms the main melody and is harmonically closed with a cadence
Cadence (music)
In Western musical theory, a cadence is, "a melodic or harmonic configuration that creates a sense of repose or resolution [finality or pause]." A harmonic cadence is a progression of two chords that concludes a phrase, section, or piece of music...

 on the "home" or tonic chord. The B section or middle eight is also often referred to as the bridge
Bridge (music)
In music, especially western popular music, a bridge is a contrasting section which also prepares for the return of the original material section...

and sometimes as the release. In it a simple modulation
Modulation (music)
In music, modulation is most commonly the act or process of changing from one key to another. This may or may not be accompanied by a change in key signature. Modulations articulate or create the structure or form of many pieces, as well as add interest...

 is commonly found and at its end it remains harmonically open, often ending on the unresolved dominant
Dominant (music)
In music, the dominant is the fifth scale degree of the diatonic scale, called "dominant" because it is next in importance to the tonic,and a dominant chord is any chord built upon that pitch, using the notes of the same diatonic scale...

 chord of the home key and so preparing for the return of the verse.

"In this form, the musical structure of each chorus is made up of four eight-bar sections, in an AABA pattern... Thousands of Tin Pan Alley tunes share this scheme and Adorno
Theodor W. Adorno
Theodor W. Adorno was a German sociologist, philosopher, and musicologist known for his critical theory of society....

 is quite justified in arguing that to listeners of the time it would be totally predictable."


Thirty-two-bar form was often used in rock in the 1950s and '60s, after which verse-chorus form
Verse-chorus form
Verse-chorus form is a musical form common in popular music and predominant in rock since the 1960s. In contrast to AABA form, which is focused on the verse , in verse-chorus form the chorus is highlighted...

 became more prevalent. Examples include:
  • George Gershwin
    George Gershwin
    George Gershwin was an American composer and pianist. Gershwin's compositions spanned both popular and classical genres, and his most popular melodies are widely known...

     "I Got Rhythm
    I Got Rhythm
    "I Got Rhythm" is a song composed by George Gershwin with lyrics by Ira Gershwin and published in 1930, which became a jazz standard. Its chord progression, known as the "rhythm changes", is the foundation for many other popular jazz tunes such as Charlie Parker's and Dizzy Gillespie's Bebop...

    "
  • Jerry Lee Lewis
    Jerry Lee Lewis
    Jerry Lee Lewis is an American rock and roll and country music singer-songwriter and pianist. An early pioneer of rock and roll music, Lewis's career faltered after he married his young cousin, and he afterwards made a career extension to country and western music. He is known by the nickname 'The...

    ' "Great Balls of Fire
    Great Balls of Fire
    "Great Balls of Fire" is a 1957 song recorded by Jerry Lee Lewis on Sun Records and featured in the 1957 movie Jamboree. It was written by Otis Blackwell and Jack Hammer...

    " (1957)
  • The Everly Brothers
    The Everly Brothers
    The Everly Brothers are country-influenced rock and roll performers, known for steel-string guitar playing and close harmony singing...

    ' "All I Have to Do Is Dream
    All I Have to Do Is Dream
    "All I Have to Do Is Dream" is a popular song made famous by the Everly Brothers, written by the husband and wife songwriting team Felice and Boudleaux Bryant, and published in 1958. The song is ranked No...

    " (1958)
  • The Shirelles
    The Shirelles
    The Shirelles were an African-American girl group that achieved popularity in the early 1960s. They consisted of schoolmates Shirley Owens , Doris Coley , Addie "Micki" Harris , and Beverly Lee...

    ' "Will You Love Me Tomorrow
    Will You Love Me Tomorrow
    "Will You Love Me Tomorrow", also known as "Will You Still Love Me Tomorrow", is a song written by Gerry Goffin and Carole King and originally recorded by The Shirelles. It has been recorded by many artists and was ranked among Rolling Stone 's list of The 500 Greatest Songs of All Time at #125...

    " (1960)
  • The Beach Boys
    The Beach Boys
    The Beach Boys are an American rock band, formed in 1961 in Hawthorne, California. The group was initially composed of brothers Brian, Dennis and Carl Wilson, their cousin Mike Love, and friend Al Jardine. Managed by the Wilsons' father Murry, The Beach Boys signed to Capitol Records in 1962...

    ' "Surfer Girl
    Surfer Girl
    Surfer Girl is the third studio album by The Beach Boys and their second longplayer in 1963. This was the first album by The Beach Boys for which Brian Wilson was given full production credit, a position Wilson would maintain until the end of the The Smile Sessions in 1967...

    " (1963)


Songwriters such as the Brill Building
Brill Building
The Brill Building is an office building located at 1619 Broadway on 49th Street in the New York City borough of Manhattan, just north of Times Square and further uptown from the historic musical Tin Pan Alley neighborhood...

 and Lennon-McCartney also used modified or extended thirty-two-bar forms, often modifying the number of measures in individual or all sections. The Beatles
The Beatles
The Beatles were an English rock band, active throughout the 1960s and one of the most commercially successful and critically acclaimed acts in the history of popular music. Formed in Liverpool, by 1962 the group consisted of John Lennon , Paul McCartney , George Harrison and Ringo Starr...

 ("From Me to You
From Me to You
"From Me to You" is a song written by John Lennon and Paul McCartney and released by The Beatles as a single in 1963. The single was the Beatles' first number one in some of the United Kingdom charts, second in others, but failed to make an impact in the United States at the time of its initial...

" (1963) and "I Want to Hold Your Hand
I Want to Hold Your Hand
"I Want to Hold Your Hand" is a song by the English rock band The Beatles. Written by John Lennon and Paul McCartney, and recorded in October 1963, it was the first Beatles record to be made using four-track equipment....

" (1963)), like many others, would extend the form with an instrumental section, second bridge, break or reprise of the introduction, etc., and another return to the main theme. Introductions and codas also extended the form. In "Down Mexico Way" "the A sections … are doubled in length, to sixteen bars—but this affects the overall scheme only marginally".
Compound AABA form found in The Police
The Police
The Police were an English rock band formed in London in 1977. For the vast majority of their history, the band consisted of Sting , Andy Summers and Stewart Copeland...

's "Every Breath You Take
Every Breath You Take
"Every Breath You Take" is a song by The Police on the band's 1983 album Synchronicity, written by Sting and Andy Summers . The single was one of the biggest hits of 1983, topping the Billboard Hot 100 singles chart for eight weeks and the UK Singles Chart for four weeks. It also topped the...

" (1983), features a thirty-two-bar section, a contrasting bridge and then a repeat of the thirty-two-bar section, making a compound of ABA and AABA form: AABACAABA: a form of rondo
Rondo
Rondo, and its French equivalent rondeau, is a word that has been used in music in a number of ways, most often in reference to a musical form, but also to a character-type that is distinct from the form...

. Other examples include:
  • Boston
    Boston (band)
    Boston is an American rock band from Boston, Massachusetts that achieved its most notable successes during the 1970s and 1980s. Centered on guitarist, keyboardist, songwriter, and producer Tom Scholz, the band is a staple of classic rock radio playlists...

    's "More Than a Feeling
    More Than a Feeling
    "More Than a Feeling" is a song by the rock band Boston, released as the lead single from their self-titled debut album on Epic Records in September 1976, with "Smokin'" on the flipside. The single peaked at number five on the Billboard Hot 100...

    " (1976)
  • Righteous Brothers' "You've Lost That Lovin' Feelin'
    You've Lost That Lovin' Feelin'
    "You've Lost That Lovin' Feelin" is a 1964 song by The Righteous Brothers which became a number-one hit single in the United States and the United Kingdom the following year. In 1999, the performing-rights organization Broadcast Music, Inc. ranked the song as having had more radio and television...

    " (1964)
  • Led Zeppelin
    Led Zeppelin
    Led Zeppelin were an English rock band, active in the late 1960s and throughout the 1970s. Formed in 1968, they consisted of guitarist Jimmy Page, singer Robert Plant, bassist/keyboardist John Paul Jones, and drummer John Bonham...

    's "Whole Lotta Love
    Whole Lotta Love
    "Whole Lotta Love" is a song by English rock band Led Zeppelin. It is featured as the opening track on the band's second album, Led Zeppelin II, and was released in the United States and Japan as a single. The US release became their first hit single, it was certified Gold on 13 April 1970, when it...

    " (1969)
  • The Rolling Stones
    The Rolling Stones
    The Rolling Stones are an English rock band, formed in London in April 1962 by Brian Jones , Ian Stewart , Mick Jagger , and Keith Richards . Bassist Bill Wyman and drummer Charlie Watts completed the early line-up...

    's "Brown Sugar
    Brown Sugar (song)
    "Brown Sugar" is a song by The Rolling Stones. It is the opening track and lead single from the English rock band's 1971 album Sticky Fingers...

    " (1971)
  • Tom Petty
    Tom Petty
    Thomas Earl "Tom" Petty is an American singer-songwriter and multi-instrumentalist. He is the frontman of Tom Petty and the Heartbreakers and was a founding member of the late 1980s supergroup Traveling Wilburys and Mudcrutch. He has also performed under the pseudonyms of Charlie T...

    's "Refugee" (1979)

Middle eight

In music theory
Music theory
Music theory is the study of how music works. It examines the language and notation of music. It seeks to identify patterns and structures in composers' techniques across or within genres, styles, or historical periods...

, middle 8 refers to the section of a song which has a significantly different melody
Melody
A melody , also tune, voice, or line, is a linear succession of musical tones which is perceived as a single entity...

 from the rest of the song, usually after the second chorus in a song (typically, a song consists of first verse, bridge, chorus, second verse, bridge, chorus, middle eight, chorus). Such sections often consist of new chord
Chord (music)
A chord in music is any harmonic set of two–three or more notes that is heard as if sounding simultaneously. These need not actually be played together: arpeggios and broken chords may for many practical and theoretical purposes be understood as chords...

s, but also frequently just alternate between two chords. It is called a middle 8 because it happens in the middle of the song and the length is generally 8 bars
Bar (music)
In musical notation, a bar is a segment of time defined by a given number of beats of a given duration. Typically, a piece consists of several bars of the same length, and in modern musical notation the number of beats in each bar is specified at the beginning of the score by the top number of a...

.

A typical song structure employing a middle 8 is:

Intro-{Verse-Chorus}{Verse-Chorus}-Middle 8-{Chorus}-{Chorus}-(Outro)

Middle 8s are often quieter than the main song, which contrasts with Solos
Solo (music)
In music, a solo is a piece or a section of a piece played or sung by a single performer...

, which are generally more energetic. In slower songs, however, a middle 8 can be used to generate energy. By adding a powerful upbeat middle 8, musicians can add a great hook
Hook (music)
A hook is a musical idea, often a short riff, passage, or phrase, that is used in popular music to make a song appealing and to "catch the ear of the listener". The term generally applies to popular music, especially rock music, hip hop, dance music, and pop. In these genres, the hook is often...

for an end chorus and finale.
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