Complete Encyclopaedia of Music/A/Alt
Alt, secretary to the town of Glogau, a composer and violinist, published some quartets at Berlin about the year 1790.
ALT. An abridgment of the Italian adjective rite, high. A. term applied to that portion of the great scale of sounds which lies between F, on the upper line of the treble staff, and G of the octave above. Thus the A on the first added line above is called A in alt.