GP6 - Which instruments does Guitar Pro 6 support?

Guitar Pro 6 supports all fretted instruments from 4 to 8 strings (inc. bass, banjo, ukulele, etc.), and their tuning can be entirely customized. Our other tools like the Chord Diagram Generator and the Scale Engine are also compatible with those instruments. 
Furthermore, Guitar Pro 6 includes advanced support for piano, drums, and about fifty other instruments.