One of my earliest memories of Mel Graves (circa 1982) is him sitting at the piano, playing a low C drone and having us sing all the intervals in the major scale.
m2 = 3-4, 7-8
M2 = 1-2, 2-3, 4-5, 5-6, 6-7
m3 = 2-4, 3-5, 6-8
M3 = 1-3, 4-6, 5-7
P4 = 1-4, 2-5, 3-6, 5-8
TT = 4-7
P5 = 1-5, 2-6, 3-7, 4-8
m6 = 3-8
M6 = 1-6, 2-7
m7 = 2-8
M7 = 1-7
P8 = 1-8