This packet, along with High School 4B, is what you want to use for a High School band, choir, orchestra or theory class that has already learned major and minor key signatures, major & minor scales, and 6/8 time. Concepts include: Pre-test, perfect, major, minor, diminished & augmented intervals & triads, inversion of intervals, tritone, parallel keys, melody writing, whole tone, chromatic & pentatonic scales, major & 3 types of minor scales, ear-training, teacher ear-training guide. Answer booklet included!