Chromatic scale interval 12 12345678910111213 Chromatic # CC#DD#EFF#GG#AA#BC Chromatic ♭ C♭DD♭EEF♭GG♭AA♭BBC interval 12 12345678910111213 C Major C_D_EF_G_A_BC interval 12 12345678910111213 interval 7 1_2_34_5_6_78 C Major C_D_EF_G_A_BC interval 7 1 2 3 4 5 6 7 8 C Major C D E F G A B C A Major A B C# D E F# G# A relative key I ii iii IV V vi vii I
