A selection of songs made to be terrible - some clearly achieved that goal.
The Brazilian rocker sees pictures in his riffs. When he came up with one of his gnarliest songs, there was a riot going on.
JJ talks about The Stranglers' signature sound - keyboard and bass - which isn't your typical strain of punk rock.
The top Contemporary Christian artist of all time on song inspirations and what she learned from Johnny Carson.
"I'll Be" was what Edwin called his "Hail Mary" song. He says it proves "intention of the songwriter is 180 degrees from potential interpretation by an audience."
Roger tells the stories behind some of his biggest hits, including "Give a Little Bit," "Take the Long Way Home" and "The Logical Song."