The song "Knock On Wood" was confusing to UK listeners because the saying there is "Touch Wood."
The lyric to "Hold On" by Wilson Phillips was inspired by Chynna Phillips' struggles with addiction. "Hold on for one more day" is something she heard in AA meetings.
Jay-Z's "Hard Knock Life (Ghetto Anthem)" is based on the song "It's A Hard Knock Life" from the Broadway play Annie.
The "Mum-mum-mum-ma" hook on lady Gaga's "Poker Face" was sampled from Boney M's 1977 hit "Ma Baker."
Alicia Keys, Elton John, Fergie, and Rihanna all sang on "All of the Lights" by Kanye West.
"Coming Home" by Diddy - Dirty Money was originally iwritten for for T.I., who was getting out of prison at the time.
How the American gangsta rappers made history by getting banned in the UK.
Webb talks about his classic songs "By the Time I Get to Phoenix," "Wichita Lineman" and "MacArthur Park."
Was Long Tall Sally a cross-dresser? Did he really set his piano on fire? See if you know the real stories about one of rock's greatest innovators.
On the "schizoid element" of his lyrics, and a famous line from "Everything Zen."
Yngwie Malmsteen and Steve Vai were two of Graham's co-writers for some '80s rock classics.
The writer of "Rainy Night in Georgia" and "Polk Salad Annie" explains how he cooks up his Louisiana swamp rock.