Thirty Seconds Over Winterland is an album by the American psychedelic rock band Jefferson Airplane. It was recorded live in August and September 1972, at the Auditorium Theatre in Chicago and the Winterland Ballroom in San Francisco. It was released in April 1973 as Grunt BFL1-0147.Recorded during the Long John Silver tour, Thirty Seconds Over Winterland was the band's second live album, after Bless Its Pointed Little Head.