Alto Sax · treble clef
How to Play C♯ on Alto Sax
C♯ on the alto sax is written in the third space. It is the same note as D♭, so the fingering below works for both.
Sounds as concert E
C♯
Nothing pressed: every key stays open.
No keys pressed; this open note can sound thin, so keep steady air.
Nearby notes
B
C
Side C is easier when moving between B and C.
D
Same fingering as low D, plus the octave key.
D♯ / E♭
See every note on one page in the alto sax fingering chart.