"Comfortably Numb" 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 1980 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 chorus melody was written by Gilmour while Waters contributed the lyrics and the music for the verses. The song had the working title of "The Doctor". An early version of the song was included under this title on the "Immersion Box Set" of The Wall, released in 2012.