SANTA CRUZ – Deadheads of the world now have one more reason to anticipate the opening of the Grateful Dead Archive at UCSC’s McHenry Library. Composer Lee Johnson presented the score of his acclaimed “Dead Symphony No. 6” to the University Library last week at the 2009 Cabrillo Festival of Contemporary Music. Marin Alsop, renowned conductor of the Baltimore Symphony, showcased Johnson’s work at the festival to commemorate the 14th anniversary of Jerry Garcia’s death. The Grateful Dead Archive will open to the public next summer.