VENTURA, Calif. (KEYT) The Maybe It Was The Roses” music festival kicked off in Ventura on a sunny Friday afternoon by the beach. Jax Plays Dead featuring Santa Barbara's Jackson Gillies opened the 3-day tribute to the Grateful Dead and the late Bob Weir. Weir died in January at the age of 78. Fans of all ages and from all over are already enjoying it.. The musicians are playing outside on a main stage and in the Top of the Harbor Ballroom at Cr…