His poster designs were strongly associated the Fillmore East Ballroom after he was hired by promoter Bill Graham. Byrd produced era-defining images of Jefferson Airplane, Iron Butterfly ...

A poster from that first concert, drawn in crayon and reading, "Can you pass the Acid Test?” will sell at auction via Heritage this month. The story of how the early poster survived 60 years is ...

His advertisements have become coveted works of art. The psychedelic concert poster, with bubbled, flowing lettering and lava lamp colors, was invented by the man behind that now classic “Flames ...