How to Have Sex in an Epidemic B, were already at "endemic" levels. Sonnabend writes about condoms at the time: "I think most gay men said, 'Oh thank god, that's one thing we don't have to worry about,'" and many didn't know how to use one. However, as Callen, Berkowitz and Sonnabend would show them, condoms really were something to worry about and could be an easy way to prevent disease and death while continuing to have a normal and fulfilling sex life. Along with "Play Fair!", its San Francisco counterpart written by a drag group called the Sisters of Perpetual Indulgence, "How to Have Sex in
How Many More Times Wolf's "How Many More Years" (1951), as well as other songs by blues musicians he admired at the time of recording. In 1970, "How Many More Times" was dropped from Led Zeppelin's typical setlist, although they continued to perform it on occasion until the early stages of their 1975 North American tour, when it was re-introduced in full as a result of Jimmy Page's injured finger, which temporarily prevented him from playing the more challenging "Dazed and Confused". In a contemporary review for "Led Zeppelin" on release, John Mendelsohn of "Rolling Stone" called "How Many More Times" as the album's