sentences:  He was also instrumental in the design and development of the first electromechanical harpsichord, which came to be known as the 'Baldwin Combo Harpsichord' (see electric piano).It was originally conceived and built in the mid-1960s at Cannon Guild, a premier harpsichord maker in Cambridge, Massachusetts.It had contact pickups, an aluminum frame, a spruce soundboard, and a clear plastic lid.