Greg Howard’s 22 fret Extended Alto tuning is one octave up from the 10-string Baritone Melody™/standard bass tuning.

Melody
1. A
2. E (-4th)
3. B (-4th)
4. F# (-4th)
5. C# (-4th)

Accompaniment
6. C
7. G (+5th)
8. D (+5th)
9. A (+5th)
10. E (+5th)