"Open Your Heart" is a single

Single (music)

In music, a single or record single is a type of release, typically a recording of fewer tracks than an LP or a CD. This can be released for sale to the public in a variety of different formats. In most cases, the single is a song that is released separately from an album, but it can still appear...

 released by the Swedish

Sweden

Sweden , officially the Kingdom of Sweden , is a Nordic country on the Scandinavian Peninsula in Northern Europe. Sweden borders with Norway and Finland and is connected to Denmark by a bridge-tunnel across the Öresund....

 heavy metal

Heavy metal music

Heavy metal is a genre of rock music that developed in the late 1960s and early 1970s, largely in the Midlands of the United Kingdom and the United States...

 band Europe

Europe (band)

Europe is a Swedish rock band formed in Upplands Väsby in 1979 under the name Force by vocalist Joey Tempest, guitarist John Norum and drummer Tony Reno. Although widely associated with glam metal, the band's sound incorporates heavy metal and hard rock elements...

. It was released twice; in 1984 as a single from the album Wings of Tomorrow

Wings of Tomorrow

Wings of Tomorrow is the second studio album by the Swedish heavy metal band Europe. It was released on February 24, 1984, by Hot Records.The song "Scream of Anger" was originally titled "Black Journey Through My Soul"...

, and in 1988 as a single from the album Out of This World. The music video for the 1988 release was directed by Jean Pellerin and Doug Freel and shot in London

London

London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

.

The lyrics are nearly identical in both these versions, except for one verse:

1984: "Oh girl, before I fall... Maybe the sun will continue to shine, maybe the rain will continue to fall, maybe you want to leave me behind, maybe you'll change and give me a call."

1988: "Before we lose it all... Maybe the time has its own way of healing, maybe it dries the tears in your eyes, but never change the way that I'm feeling, only you can answer my cries."

1984 version

• Joey Tempest
  Joey Tempest
  Joey Tempest is the vocalist and main songwriter in the Swedish heavy metal band Europe. He has written hits like "The Final Countdown", "Rock the Night" and "Superstitious".-Early life:...
  
   − vocals
  Singing
  Singing is the act of producing musical sounds with the voice, and augments regular speech by the use of both tonality and rhythm. One who sings is called a singer or vocalist. Singers perform music known as songs that can be sung either with or without accompaniment by musical instruments...
  
  , acoustic guitar
  Steel-string acoustic guitar
  A steel-string acoustic guitar is a modern form of guitar descended from the classical guitar, but strung with steel strings for a brighter, louder sound...
  
  , keyboards
  Keyboard instrument
  A keyboard instrument is a musical instrument which is played using a musical keyboard. The most common of these is the piano. Other widely used keyboard instruments include organs of various types as well as other mechanical, electromechanical and electronic instruments...
  
  
• John Norum
  John Norum
  John Norum is a rock music guitarist and founder of the Swedish band Europe . Concurrent to his role with Europe, he also maintains a side solo project...
  
   − guitar
  Electric guitar
  An electric guitar is a guitar that uses the principle of direct electromagnetic induction to convert vibrations of its metal strings into electric audio signals. The signal generated by an electric guitar is too weak to drive a loudspeaker, so it is amplified before sending it to a loudspeaker...
  
  
• John Levén
  John Levén
  John Gunnar Levén is the bassist in the Swedish rock band Europe. Levén and vocalist Joey Tempest are the only band members who have performed on all of Europe's studio albums....
  
   − bass guitar
  Bass guitar
  The bass guitar is a stringed instrument played primarily with the fingers or thumb , or by using a pick....
  
  
• Tony Reno
  Tony Reno
  Tony Niemistö is a Swedish musician, best known as Tony Reno, the original drummer in the rock band Europe. He played on Europe's first two albums, Europe and Wings of Tomorrow. He parted company from the band before the second leg of the Wings of Tomorrow tour in 1984...
  
   − drums
  Drum kit
  A drum kit is a collection of drums, cymbals and often other percussion instruments, such as cowbells, wood blocks, triangles, chimes, or tambourines, arranged for convenient playing by a single person ....
  
  

1988 version

• Joey Tempest − vocals
• Kee Marcello
  Kee Marcello
  Kee Marcello is a Swedish musician, best known as the former guitarist in the rock band Europe. He is currently pursuing his solo career.-Career:...
  
   − guitar
• John Levén − bass guitar
• Mic Michaeli
  Mic Michaeli
  Gunnar Mathias "Mic" Michaeli is the keyboardist in the Swedish rock band Europe. Like many of the other Europe members he grew up in Stockholm suburb Upplands Väsby...
  
   − keyboards
• Ian Haugland
  Ian Haugland
  Håkan Jan "Ian" Haugland is the drummer in the Swedish rock band Europe. When he was eight months old, he and his family moved to the Swedish suburb Märsta. He joined Europe in the summer of 1984, replacing Tony Reno. Previously Haugland had played in a number of bands, including Trilogy, where...
  
  − drums