Songs about drugs, revolution and greed that have been used in commercials for sneakers, jeans, fast food, cruises and cars.
The Scorpions and UFO guitarist is also a very prolific songwriter - he explains how he writes with his various groups, and why he was so keen to get out of Germany and into England.
Deep Purple's guitarist since 1994, Steve talks about writing songs with the band and how he puts his own spin on "Smoke On The Water."
This Australian Christian music star found herself a California surfer guy, giving new meaning to her song "Wait For Me."
A selection of songs made to be terrible - some clearly achieved that goal.
With his X-wife Exene, John fronts the band X and writes their songs.