The Altamont Free Concert in California, headlined by the Rolling Stones and Jefferson Airplane on December 6, 1969, did not turn out to be a positive milestone in the psychedelic music scene, as was anticipated; instead, it became notorious for the fatal stabbing of a black teenager Meredith Hunter by Hells Angels security guards.
The Altamont Free Concert, held in California on December 6, 1969, with the Rolling Stones and Jefferson Airplane as headliners, did not live up to expectations as a positive event for the psychedelic music scene; instead, it became infamous for the fatal stabbing of Meredith Hunter by Hells Angels security guards.