"Question" was first released as a single in April 1970 and remains their second highest-charting song in the UK, reaching number two and staying on the chart for 12 weeks.

[6] Hayward also said:It was written at a time when we were touring America, and a lot of young people of our generation were living in fear of being called up into a terrible conflict [the Vietnam War], so I think we were speaking for them in a way.

"[3] Classic Rock critic Malcolm Dome rated it as the Moody Blues' 3rd greatest song, saying that it "offers a powerful message that still retains an ability to emotionally move you.

"[4] Classic Rock History critic Brian Kachejian rated it as the Moody Blues' 5th greatest song, saying that it "featured one of the greatest acoustic guitar openings of any classic rock track in history" and that the "killer vocal" and "the dynamic time change in the middle of the track" add to its status.

[5] Kachejian also noted that Graeme Edge's drum fill after the line "Why do we never get an answer when there’s knocking at the door" "catapulted the song into classic rock history.