Rick Derringer, the lead singer of The McCoys and writer of “Rock and Roll, Hoochie Koo” “Real American” and WWE theme song for Hulk Hogan, has died at the age of 77.

Musician, producer and songwriter Rick Derringer has died at the age of 77. Rick's wife Jenda Derringer told TMZ that her husband passed away 'peacefully' Monda ...