Comfortably Numb" (working title "The Doctor")[2] is a song by the English rock band Pink Floyd, which first appears on the 1979 double album, The Wall. It was also released as a single in the same year with "Hey You" as the b-side. It is one of only three songs on the album for which writing credits are shared between Roger Waters and David Gilmour. The melody and most of the music was written by Gilmour while Waters contributed the lyrics and some additional notes.