The Avengers are an American punk rock band formed in 1977 in San Francisco, California, United States. The band recorded an EP, We Are the One (1977), and after opening for the Sex Pistols worked with Steve Jones, but had not released an album before breaking up in 1979. After the breakup an EP with the Steve Jones-produced songs was released, and later an album, Avengers, in 1983. Their lead singer, Penelope Houston, is also a folk singer who has a solo career. Since 1999 a number of other albums were released with studio and live tracks, and the band has come together for various occasions.

Winterland Ballroom was an ice skating rink and music venue in San Francisco, California, United States. The arena was located at the corner of Post Street and Steiner Street. It was converted for exclusive use as a music venue in 1971 by concert promoter Bill Graham and became a popular performance location for many rock acts. Graham later formed a merchandising company called Winterland Productions, which sold concert shirts, memorabilia, and official sports team merchandise.