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 "
1975 North American tour
Led Zeppelin North American Tour 1975
How Many More Times