The product is a Grateful Dead Dave's Picks 50 Bonus Disc 1CD from the 5/4/1977 Complete 2nd Set. This rare and special edition album features a mix of Acid & Trance, Psychedelic Rock, and Acid Rock from the 1970s era. Released by Rhino, this limited edition live recording is a must-have for collectors and fans of the Grateful Dead's unique and psychedelic sound. The colorful multicolor design adds to the appeal of this special collector's item.