In unfortunate news, bassist Craig Gruber died at the age of 63 today after a long fight with stage three prostate cancer.
(Pictured here with Billy Sheehan)
While he might not be a household name, hard rock aficionados know who Gruber is: a bass player with Elf and Rainbow, who also played with Ronnie James Dio, Gary Moore, The Rods and more.
Check out Gruber's work with Rainbow here:
Gruber will be sorely missed.