"25 or 6 to 4" to "Semi-Charmed Life" - see if you can spot the songs that are really about drugs.
The Canadian superstar talks about his sudden rise to fame, and tells the stories behind his hits "Sunglasses At Night," "Boy In The Box" and "Never Surrender."
How a country weeper and a blues number made "rolling stone" the most popular phrase in rock.
Medley looks back on "Unchained Melody" and "You've Lost That Lovin' Feelin'" - his huge hits from the '60s that were later revived in movies.
Known in America for the hit "If You Leave," OMD is a huge influence on modern electronic music.
Richie talks about the impact of "Amazed," and how his 4-year-old son inspired another Lonestar hit.