> Serious question - does Mick Fleetwood get a credit for 
> "playing" drums?

If Bobby does give Mick a credit it's out of the kindness of his heart.
Like most such packages, these loops are 100% royalty-free.  From a legal
standpoint he could claim to have played them himself.

+brian in New Orleans (who once gave a drumming credit to an Alesis SR-16)