Hi Javier! I'll help you, here are the links:
C.C.R Fan group on Facebook
http://www.facebook.com/group.php?gid=57925116134
Willy & The Poorboys (Creedence Clearwater Revival Tribute Band)
http://www.facebook.com/group.php?gid=56582581418
So, Spanish Facebookers love CCR!