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 down a 4th
3. B down a 4th
4. F# down a 4th
5. C# down a 4th

Bass
6. C
7. G up a 5th
8. D up a 5th
9. A up a 5th
10. E up a 5th

• Alto Stick™
  
• Bob's Expanded Alto™