Complex sentence: The song was conceived and written as a tribute and remembrance to their former band member Syd Barrett, the work was first performed on their 1974 French tour and recorded for their 1975 concept album "Wish You Were Here".
Split into simpler sentences: The song was conceived and written as a tribute and remembrance to their former band member Syd Barrett. The work was first performed on their 1974 French tour and recorded for their 1975 concept album "Wish You Were Here".