P.F. was a teenager writing hits and playing on tracks for Jan & Dean when he wrote a #1 hit that got him blackballed.
One of the most popular classical vocalists in the land is lining up a trip to space, which is the inspiration for many of her songs.
The drummer for Anthrax is also a key songwriter. He explains how the group puts their songs together and tells the stories behind some of their classics.
Greg talks about writing songs of "universal truth" for King Crimson and ELP, and tells us about his most memorable stage moment (it involves fireworks).
The leader of the Modern A Cappella movement talks about the genre.
There are no more rock stars - the last one died in 1994.