You will need to know all of your major keys.
Remember that when dealing with major keys, if the key signature has no sharps
or flats then you are in the key of C Major.
a. Order
of sharps and related keys (major scales):
Key or Scale: G D A E B F# C#
Order of #s: F C G D A E B
b. Order
of flats and related keys (major scales):
Key or Scale: F Bb Eb Ab Db Gb Cb
Order of bs: B E A D G C F
As you can see from the chart
above, If one has 4 sharps in the key signature, the scale or major key is E
Major. The sharps in the key signature would be F, C, G, and D.
If one has 3 flats in the key
signature, the scale or major key is Eb Major. The flats in the key signature
would be B, E, and A.
