Premise: "Are You Sitting Comfortably?" is a 1969 song by the progressive rock band The Moody Blues. It was written jointly by band members Justin Hayward and Ray Thomas. It was recorded and released in 1969 on the Moody Blues Album "On the Threshold of a Dream".
Hypothesis: Are You Sitting Comfortably was based on Justin Haywards posture while writing the song with Ray Thomas.