<P> In 2006, the Grateful Dead signed a ten - year licensing agreement with Rhino Entertainment to manage the band's business interests including the release of musical recordings, merchandising, and marketing . The band retained creative control and kept ownership of its music catalog . </P> <P> A Grateful Dead video game titled Grateful Dead Game--The Epic Tour was released in April 2012 and was created by Curious Sense . </P> <P> The Grateful Dead toured constantly throughout their career, playing more than 2,300 concerts . They promoted a sense of community among their fans, who became known as "Deadheads", many of whom followed their tours for months or years on end . In their early career, the band also dedicated their time and talents to their community, the Haight - Ashbury area of San Francisco, making available free food, lodging, music, and health care to all . It has been said that the band performed "more free concerts than any band in the history of music". </P> <P> With the exception of 1975, when the band was on hiatus and played only four concerts together, the Grateful Dead performed many concerts every year, from their formation in April 1965, until July 9, 1995 . Initially all their shows were in California, principally in the San Francisco Bay Area and in or near Los Angeles . They also performed, in 1965 and 1966, with Ken Kesey and the Merry Pranksters, as the house band for the Acid Tests . They toured nationally starting in June 1967 (their first foray to New York), with a few detours to Canada, Europe and three nights at the Great Pyramid of Giza in Egypt in 1978 . They appeared at the Monterey Pop Festival in 1967, the Woodstock Festival in 1969 and the Festival Express train tour across Canada in 1970 . They were scheduled to appear as the final act at the infamous Altamont Free Concert on December 6, 1969 after the Rolling Stones but withdrew after security concerns . "That's the way things went at Altamont--so badly that the Grateful Dead, prime organizers and movers of the festival, didn't even get to play," staff at Rolling Stone magazine wrote in a detailed narrative on the event" </P>

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