Question

Question For Aural Skills: A (blank) pitch is not part of the prevailing diatonic collection

Answer 1

These terms may mean different things in different contexts. Very often, diatonic refers to musical elements derived from the modes and transpositions of the "white note scale" C–D–E–F–G–A–B.[b] In some usages it includes all forms of heptatonic scale that are in common use in Western music (the major, and all forms of the minor).[c]

Chromatic most often refers to structures derived from the twelve-note chromatic scale, which consists of all semitones. Historically, however, it had other senses, referring in Ancient Greek music theory to a particular tuning of the tetrachord, and to a rhythmic notational convention in mensural music of the 14th to 16th centuries.