Tips for Memorizing the Scales. All twelve major scales can be remembered using 3 simple rules: In the C, G, D, E, and A Major scales, both hands play alternating groups of 1-2-3 and 1-2-3-4 (The right hand when ascending, the left hand when descending.) In the B, F# and C# Major scales, use fingers 2 and 3 on the two black keys and fingers 2 ...