Other Scales Theory Things   William Wieland
Pentatonic — Five tone scale, usually major scale degrees 1, 2, 3, 5, 6 (do, re, mi, sol, la)
Chromatic — All half steps
Whole Tone — All whole steps (Only two whole tone scales exist.)
Blues — Includes flat 3rd and flat 7th
Octatonic — Eight (8) tone scale, usually alternating half steps and whole steps
(a.k.a. Diminished Scale in Jazz)