"Uptown Funk" by Mark Ronson was 2015's best-selling single in both the U.S. and U.K.
The first rapper with a #1 hit was Vanilla Ice with "Ice Ice Baby" in 1990.
Otis Redding often ad-libbed vocals at the end of songs, but for "(Sittin' On) The Dock Of The Bay" he just whistled instead - it became the most famous whistling in song history.
Lucinda Williams' track "Compassion" is based on a poem by her father, lauded Arkansas poet Miller Williams.
"Strawberry Letter 23" by The Brothers Johnson was written by Shuggie Otis, whose girlfriend would send him letters written on strawberry scented paper.
John Mellencamp considers "Pink Houses" an "anti-American song," laying bare the struggles of the poor and working class.
Pete produced Dwight Yoakam, Michelle Shocked, Meat Puppets, and a very memorable track for Roy Orbison.
Dean's saga began with "Ariel," a song about falling in love with a Jewish girl from New Jersey.
"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."
How well do you know your protest songs (including the one that went to #1)?
Eddie (played by Johnny Depp in the video) found fame fleeting, but Chuck Berry's made-up musician fared better.
Mike Rutherford talks about the "Silent Running" storyline and "Land Of Confusion" in the age of Trump.