Francis Rossi of Status Quo
Doubt led to drive for Francis, who still isn't sure why one of Status Quo's biggest hits is so beloved.
You may not recognize his name, but you will certainly recognize Peter Lord's songs. He wrote the bevy of hits from Paula Abdul's second album, Spellbound, plus a collection of other classics for the likes of Aftershock, Ali and Goodfellaz.
Rupert crafted hits for Tina Turner, Howard Jones and The Fixx.
Danny O'Keefe - "Good Time Charlie's Got the Blues"
Gloom led to inspiration for Danny's hit song. He got a record deal and an Elvis cover out of it, but success was fleeting.