Before social media, movie posters drummed up interest in upcoming films and Bob Tanenbaum was the person who designed those posters.

Bidding has begun on a hand-drawn Acid Test poster from the night the Grateful Dead performed under their new name for the first time.

It also has inspired a vault full of classic posters.

A pristine poster from the Grateful Dead’s first concert is up for auction, but hardcore Deadheads will have to splurge to get their hands on the historic item. The colorful hand-drawn crayon sign ...

Gift, one of Rolling Stone's Artists You Need to Know, play psychedelic space rock on their second album, 'Illuminator.' ...