"Wish You Were Here" is the title track on Pink Floyd's 1975 album Wish You Were Here. David Gilmour and Roger Waters collaborated to write the music, and Gilmour sang the lead vocal.

Answer this question based on the passage: who sang wish you were here pink floyd? OK. Let's think. My stream of consciousness:
This is the relevant information: David Gilmour and Roger Waters collaborated to write the music, and Gilmour sang the lead vocal. The answer is Gilmour.