Heirloom

Five turnarounds in Gb major

Nathaniel School of Music, 2026

Key
Gb major
Form
5 turnarounds × 2 bars, then home
Level
6

The two bars that send a tune back to the top, five ways, in rootless voicings: diatonic, with secondary dominants, and with tritone substitutes. The iii chord is a plain m7 (its 9th would clash with the key); VI7 takes b9 and b13 because it leads to the minor ii chord.

Chords: Gbmaj9 Ebm9 Abm9 Db13 Bbm7 Ebm9 Abm9 Db13 Gbmaj9 Eb7(b9b13) Abm9 Db13 Gbmaj9 Eb7(b9b13) Ab13 Db13 Gbmaj9 A13 D13 G13 Gbmaj9

Opening the practice room…

Where this comes from

Read from: NSM exercise generator (gen.py)

How: CC BY 4.0 (Nathaniel School of Music)

Free to share: free (NSM original) free (NSM original)

Download the score (MusicXML)