"Veronica" was inspired by Elvis Costello's grandmother, who suffered from Alzheimer's disease.
"Just Dance" was Lady Gaga's first hit, and it also brought the techno-synth sound that had been popular in Europe for the previous decade to the United States.
The song "Knock On Wood" was confusing to UK listeners because the saying there is "Touch Wood."
"Islands in the Stream" was originally written by The Bee Gees as an R&B song. It was originally written by the brothers for Marvin Gaye, however it was recorded instead as a duet by Kenny Rogers and Dolly Parton with the Gibb Brothers also contributing vocals.
The video for Michael and Janet Jackson's "Scream" in 1995 was the most expensive ever made at the time, costing $7 million.
"Teardrop" by Massive Attack has vocals by Elizabeth Fraser of The Cocteau Twins, who wrote the lyric after learning that Jeff Buckley had died.
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.
The Yardbirds drummer explains how they created their sound and talks about working with their famous guitarists.
The Reverend rants on psychobilly and the egghead academics he bashes in one of his more popular songs.
Steppenwolf frontman John Kay talks about "Magic Carpet Ride," "Born To Be Wild," and what he values more than awards and accolades.
Dwarfs on stage with an oversize Stonehenge set? Dabbling in Satanism? Find out which Spinal Tap-moments were true for Black Sabbath.
Soul music legend Bill Withers on how life experience and the company you keep leads to classic songs like "Lean On Me."