These are the 25 longest-running bands in rock and metal history. READ MORE: 17 Rock + Metal Bands That Have Never Had a Lineup ChangeKeep reading to see 25 of the oldest rock and metal bands that have never broken up. First, 13 rock bands, followed by a dozen metal bands! Gallery Credit: Lauryn SchaffnerThe 12 Longest-Running Metal Bands That Never Broke Up These are some of the longest-running metal bands that have never broken up or gone on hiatus in a way that made the group inactive. See 10 of the biggest rock and metal bands that have had the most lineup changes in the gallery below.