Bill Kreutzmann helped shape the primal heartbeat of the Grateful Dead, drumming not just with time but with intuition — loose, wild, elastic, and alive. As one half of the Dead’s legendary Rhythm Devils alongside Mickey Hart, his playing fused jazz looseness with tribal thunder, stretching rock percussion into a space where groove and chaos danced as one. From the Acid Tests to stadium eras to One From the Vault peaks, Kreutzmann was a pulse that followed the moment rather than measuring it — responsive, conversational, telepathic with the band around him. In later years, through Billy & The Kids, Dead & Company appearances, and deep collaborations, he has continued to keep that original spark burning: a drummer guided by feel, spirit, and the eternal joy of the jam.