Led Zeppelin played what turned out to be their final North American concerts with twin shows during their 1977 North American Tour . This was due to the brutal assault on Peter Grant 's 11-year-old son Warren by a Bill Graham roadie , and the sudden death of Robert Plant 's young son Karac in the UK
1977 North American Tour
Led Zeppelin North American Tour 1977
RingCentral Coliseum