Ch13 / AbM, Abm, Abaug, Abdim, AbM7, Abm7, Ab7, Abm7(b5), ...
Ch13 / AbM, Abm, Abaug, Abdim, AbM7, Abm7, Ab7, Abm7(b5), ...
is a song by
Michael Pilhofer & Holly Day
it was released on
Music Theory for Dummies
