Bill Kelliher is a guitarist and founding member of the widely-respected heavy metal band Mastodon. His complex and innovative approach to tight rhythms and intricate riffs made him a tremendously influential player from the moment Mastodon burst onto the scene in 2000. Bill's Signature Series guitars — the LTD BK-600, LTD Sparrowhawk, and LTD Royal Shiva — provide the excellent dynamic response, sustain, roadworthy reliability, and playing feel needed for his band’s powerful performances.