1. Mick Jagger (The Rolling Stones): Mick Jagger underwent mitral valve replacement surgery in 2019 and received a pacemaker during the procedure.
2. Gregg Allman (The Allman Brothers Band): Gregg Allman had a pacemaker implanted in the late 2000s due to a heart condition called atrial fibrillation.
3. Keith Richards (The Rolling Stones): Keith Richards had a pacemaker implanted in 2006 due to a heart rhythm disorder called atrial flutter.
4. Pete Townshend (The Who): Pete Townshend received a pacemaker in 2015 after experiencing heart problems.
5. Roger Daltrey (The Who): Roger Daltrey also had a pacemaker implanted in 2015, not long after his bandmate Pete Townshend.
These are just a few examples, and it's important to note that not all rock stars with pacemakers are still living or active in the music industry.