C major facts for kids
Most of the time key signatures were cancelled whenever the new key signature had fewer sharps or flats than the old key signature, in modern popular music, this is only done when C major or A minor replace another key.
Scales and keys
|Diatonic Scales and Keys|
|The table shows the number of sharps or flats in each scale. Minor scales are written in lower case.|
C major Facts for Kids. Kiddle Encyclopedia.