music: 1972: Name 1 of the 2 artists who shared the title of 1972 #1 sigles artist?

Questions

More than 100 descendants of Johann Sebastian Bach have been ---------- organists.?

Mr. Mojo Risin is an anagram for---------- .?

Napolean had his boots worn by ---------- to break them in before he wore them.?

Walt Disney's autograph bears no resemblance to the famous Disney---------- .?

Did you know Alice Cooper (original psycho rocker) played ---------- for Bob Dylan before he was famous??