Tobias Nasterlack

* Select from 6 tunings: Standard, Drop C, Drop D, Open D, Open G, or Celtic * Visualize 15 essentia

* Visualize 15 essential scales in any key, on a virtual mandolin fretboard* Practice with built-in

* Select your tuning: standard tuning (GCEA), D-tuning, baritone, slack key, or bass * Visualize 15