pitch-class freq &optional scale

[Function]

Example:

? (pitch-class 'df5)
1

? (pitch-class 'cs4)
1

? (pitch-class 61)
1

See Also:

• hertz [Function]
• keynum [Function]
• note [Function]
• transpose [Function]
• invert [Function]
• scale< [Function]
• scale<= [Function]
• scale= [Function]
• scale>= [Function]
• scale> [Function]
• scale-min [Function]
• scale-max [Function]
• scale-mod [Function]
• cents->scaler [Function]
• scaler->cents [Function]
• octave-number [Function]
• note-name [Function]
• note-accidental [Function]
• prime-form [Function]