Wish You Were Here (Pink Floyd album) tribute to Pink Floyd founder Syd Barrett, who left seven years earlier due to mental health problems. As with their previous album "The Dark Side of the Moon" (1973), Pink Floyd used studio effects and synthesizers, and brought in guest singers: Roy Harper, who provided the lead vocals on "Have a Cigar", and Venetta Fields, who added backing vocals to "Shine On You Crazy Diamond". "Wish You Were Here" topped record charts in the United Kingdom and the United States, and Harvest Records' parent company EMI was unable to print enough copies to meet demand. Although it initially received mixed
Wish You Were Here (Pink Floyd album) into the lyrics for "Shine On You Crazy Diamond", a tribute to Syd Barrett, whose mental breakdown had forced him to leave the group seven years earlier. Barrett is fondly recalled with lines such as "Remember when you were young, you shone like the sun" and "You reached for the secret too soon, you cried for the moon". "Wish You Were Here" is also a critique of the music business. "Shine On" crosses seamlessly into "Welcome to the Machine", a song that begins with an opening door (described by Waters as a symbol of musical discovery and progress betrayed by