Sound.MIDI.KeySignature
data T
data Accidentals
data Mode
keyName
cfMajor
csMajor
fsMajor
bMajor
eMajor
aMajor
dMajor
gMajor
cMajor
fMajor
bfMajor
efMajor
afMajor
dfMajor
gfMajor
afMinor
asMinor
dsMinor
gsMinor
csMinor
fsMinor
bMinor
eMinor
aMinor
dMinor
gMinor
cMinor
fMinor
bfMinor
efMinor
get
toBytes