Later, in 1773, English music historian Charles Burney noted 'Hasse, father and son, both dead' as German organ builders, and that 'their Flügel and Claviere are much sought after'.
Later, in 1773, English music scholar Charles Burney noted 'Hasse, father and son, both deceased' as accomplished German organ builders, and mentioned that their Flügel and Claviere were greatly admired.