Alt-kelhorn
- longName: Alto Kelhorn
- shortName: A. Kh.
- description: Alto Kelhorn
- musicXMLid: not set
- clef: G
- transposingClef: not set
- concertClef: not set
- barlineSpan: 1
- aPitchRange: 53-67
- pPitchRange: 53-69
- transposeDiatonic: not set
- transposeChromatic: not set