The Alto Single harmonica has a one octave lower range than the Soprano Single. Play this harmonica together with a bass harmonica for a deep, vibrant low-end sound.

The Alto Single contains 37 holes with a range of C through C3 in the key of C. Its solid brass reed plates hold the ultra precise phosphor bronze reed system, tuned by laser. The select hardwood body and super smooth, solid brass, ergonomic reed covers create unparalleled playing comfort.

The AS-37 comes in a leather covered, wooden case that is velvet lined.