Wait. I know what you're thinking. Another Grateful Dead cover band?Really?The thing is, Los Angeles-basedGrateful Shredmanage to channel that elusive Dead vibe: wide-open guitar tones, effortless three-part vocal harmonies, choogling beats, and yes, plenty of tripped out, Shredded solos. The look, the sound, the atmosphere. It's uncanny. It's more of a take on the Dead than a tribute band, says bassist Dan Horne.