The lead singer and pianist for Procol Harum, Gary talks about finding the musical ideas to match the words.
The trail runs from flying saucer songs in the '50s, through Bowie, blink-182 and Katy Perry.
Fiona's highly-anticipated third album almost didn't make it. Here's how it finally came together after two years and a leak.
Petula talks about her hits "Downtown" and "Don't Sleep In The Subway," and explains her Michael Jackson connection.
David talks about videos he made for Prince, Alabama, Big & Rich, Sheryl Crow, DMB, Melissa Etheridge and Sisters of Mercy.
She thinks of herself as a "song interpreter," but back in the '80s another country star convinced Emmylou to take a crack at songwriting.