Do Ian Gillan & Roger Daltrey use their own ear microphones to protect their ears? ?

Question

do Gillan & Daltrey use their own ear microphones to protect their ears, so they still can singing and balancing the sound, what the others are playing loudly

Ritchie Blackmore, Steve Morse and Pete Townsend are very powerful guitar players

and technically are far better than George Harrison /John Lennon

Answer 1

yes