A diatonic interval which traverses 9 steps in a diatonic scale, and covers a pitch distance bounded by 10 nominals inclusively, an octave plus a 3rd. This refers to the generic usage of "10th" without a qualifying adjective, which often precedes the interval name in standard diatonic usage. Thus, the various different types of diatonic 10ths are (in order of size from smallest to largest):
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