Tribute albums became very popular in the 1990s, but the members of Jazz Is Dead sidestepped the accompanying clichés of most tributes with their 1998 Grateful Dead concept CD Blue Light Rain. The four jazz fusion veterans -- bassist Alphonso Johnson (Weather Report), keyboardist T Lavitz (Dixie Dregs), guitarist Jimmy Herring (Aquarium Rescue Unit), and drummer Billy Cobham (Mahavishnu Orchestra) -- performed instrumental versions of Grateful Dead classics, at once showing the influence of jazz fusion on the Dead and the quartet's playing and arranging prowess. Cobham, Johnso...