The big GROOVE ISSUE! L.A. Groove Roundtable; Brian Frasier-Moore; Ringo Starr; 15 Greatest Groove Drummers; Groove Killers; Essential Grooves; Chris Tomson; Billy Rymer; Arturo Stable. Product reviews: Drumskull Drums Djembes and Congas; Sonor Signature snares; Trick Dominator pedal.