Answer by
CarolynOsborne (2804)
Key of C: C, F, G, sometimes D. D: D, G, A, sometimes E. E: E A B, sometimes F#. F: F C Bb, sometimes G. G: G C D, sometimes A. A: A, D, E, sometimes B. B: B, E, F#, sometimes C#. In Nashville numbers, these are 1, 4, 5 and sometimes Major 2.