twink

An attractive, boyish-looking, young gay man. The stereotypical twink is 16-22, slender with little or no body hair, often blonde, either dresses in club wear even at 10:00 AM or like a male lumber jack. A twink is the gay answer to the blonde bimbo cheerleader.

and are often good at an instrument eg) guitar

Tommy has characteristics of a twink because of his blonde hair and swimmer body built