Comfortably Numb is a rock song by Pink Floyd. It was released on their album "The Wall" in 1979. The song is about a rock star who is visited by a doctor. The doctor gives him medicine allowing the rock star to perform again. The lyrics were written by Roger Waters and the music was mostly written by David Gilmour. This song became very popular and became part of every Pink Floyd tour since 1981. It was even played by Roger Waters and David Gilmour on their individual solo tours. In 2004 Scissor Sisters released a disco version of the song. It reached number ten in the UK Singles Chart.