"I Should Have Known Better" was a UK number one single for one week in December 1984 for Jim Diamond

Jim Diamond (Scottish musician)

James "Jim" Diamond is a Scottish singer-songwriter. Diamond is best known for his three Top 5 hits. The first was "I Won't Let You Down" , as the lead singer in the trio Ph.D., with Tony Hymas and Simon Phillips. His solo performance, "I Should Have Known Better", was a United Kingdom number one...

. The song was displaced after one week by Frankie Goes to Hollywood

Frankie Goes to Hollywood

Frankie Goes to Hollywood were a British dance-pop band popular in the mid-1980s. The group was fronted by Holly Johnson , with Paul Rutherford , Peter Gill , Mark O'Toole , and Brian Nash .The group's debut single "Relax" was banned by the BBC in 1984 while at number six in the charts and...

's song "The Power of Love

The Power of Love (Frankie Goes to Hollywood song)

Holly Johnson, former singer of Frankie Goes to Hollywood, recorded his own version of "The Power of Love" which was released on his 1999 album Soulstream and was released as a single which made #56 in the UK. The single stayed in the charts for 2 weeks...

". Diamond publicly requested that people not buy his single, but instead buy "Do They Know It's Christmas?

Do They Know It's Christmas?

"Do They Know It's Christmas?" is a song written by Bob Geldof and Midge Ure in 1984 to raise money for relief of the 1984–1985 famine in Ethiopia. The original version was produced by Midge Ure and released by Band Aid on 29 November 1984....

"

"I Should Have Known Better" was re-recorded for Diamond's 1993 solo album Jim Diamond

Jim Diamond (1993 album)

Jim Diamond was Jim Diamond's first studio album in five years . Featuring nine new songs and three re-recordings "Hi Ho Silver", "I Won't Let You Down" and "I Should Have Known Better"....

. He recorded the song a third time for his 2005 single "Blue Shoes", which also featured a re-recording of "I Won't Let You Down

I Won't Let You Down

I Won't Let You Down is a 1982 single by British band Ph.D.. It reached number 3 on the UK charts in April 1982. The band consisted of Jim Diamond who was the lead vocalist, Tony Hymas on keyboards and Simon Phillips on drums...

" and covers of old soul

Soul music

Soul music is a music genre originating in the United States combining elements of gospel music and rhythm and blues. According to the Rock and Roll Hall of Fame, soul is "music that arose out of the black experience in America through the transmutation of gospel and rhythm & blues into a form of...

 songs such as "My Girl".

The song was covered in French by Julie Pietri

Julie Pietri

Julie Pietri is a French pop singer. She is part of the Pied-Noir community and now lives in Paris...

 (A force de toi). It was also covered in Italian by Matteo Becucci

Matteo Becucci

Matteo Becucci is an Italian pop singer and musician, best known for winning the second series of the Italian X Factor television series in 2009.-Biography:...

(Lo avrei dovuto sapere), as part of a compilation that showcases the contestants of The X-Factor Italia's second season.

Charts

Chart (1984/85)	Peak position
UK Singles Chart	1
German Singles Chart	15
Swiss Singles Chart	3
Dutch Top 40	7
Norwegian Singles Chart	2
New Zealand Singles Chart	48