The user can:

Guitar: The user knows how to know all the chords and scales and the names of the strings on the guitar without any training.

Guitar Songs: The user knows how to play different songs from Taylor Swift, Joni Mitchell, Johnny Cash, John Denver, John Lennon, Joan Baex, all the folks, the spirituals, Alanis Morrisette, Bob Dylan, Jimi Hendrix and all the famous guitar players.