Iolanthe: “O foolish fay” Sir Arthur Sullivan
Iolanthe: “O foolish fay” is written in the key of C♯.
Open Key notation: 8d.
Find popular songs in the key of C♯
Convert to the Camelot notation with our Key Notation Converter
Get Iolanthe: “O foolish fay” BPM
Convert to the Camelot notation with our Key Notation Converter
Get Iolanthe: “O foolish fay” BPM
Modulation in C♯ for musicians

Best Keys to modulate are G♯ (dominant key), F♯ (subdominant), and A♯m (relative minor).
Notes in the scale:
C#, D#, F, F#, G#, A#, C, C#
Harmonic Mixing in 8d for DJs
Compatible Open Keys are 9d, 7d, and 8m.
Similar Songs
Find similar songs (100) that will sound good when mixed with Iolanthe: “O foolish fay” by Sir Arthur Sullivan. You'll find below a list of songs having similar tempos and adjacent Music Keys for your next playlist or Harmonic Mixing.