Our Strat wielding guitarist at that time was 14.
The bass player and drummer in that band were both old men at 18.
That was back in 1966.
Back in the late 80's, I was in a band with a 16 year old guitarist, one of the best that I've ever jammed with, and I rocked with a whole lot of good ones of all ages, colors, and sexes.
The Guitarist in the Iron Butterfly was 17 and rockin' the Fillmore!
Stevie Wonder was 12 when Fingertips was recorded.
The kid playing organ in 96 Tears was 14
Frankie Lymon was a national phenomena when he was 14. (O.D.ed on smack at 25)
YOUNGINS CAN ROCK!

Howlin'