"Intervals", "Scales", and "Chords" are good terms to search for. They are elementary concepts present in a lot of music. Ten Steps use six notes of the C Major Scale, all of which belong to either the I or IV chord. The I and IV chords use, by definition, an interval of 1-4-7.
For an entertaining overview, check out Leonard Bernstein's 1973 Norton lectures, "The Unanswered Question"[0]
For an entertaining overview, check out Leonard Bernstein's 1973 Norton lectures, "The Unanswered Question"[0]
[0] https://www.youtube.com/playlist?list=PLFjonLo8gYHIXC35K4Ujr...