Karl is Musical Director of Gresley Male Voice Choir and has been MD since 1994. He owns his own company called Karl Harper Music Services. He started this in 1998 and under this umbrella he offers singing and voice training and also repair of brass and woodwind instruments.

Karl is also a semi-professional singer in his own right whose performances include oratorio, lieder recitals, opera and shows; many of which are themed evening as requested by clients. CD's of his own music are available from his website.

He is married and has three children all of whom are involved with music, two who are music teachers, and the third a professional trombonist.

He was a robotics and automation engineer until 10 years ago when redundancy enabled him to pursue his first love of singing and teaching and latterly use his engineering expertise in his repair business.

His contact website address is: www.karlharper.co.uk