Electric Guitar 60 Min, Acoustic Guitar 60 Min, Bass Guitar 60 Min, Piano 60 Min, Voice 60 Min, Extreme Vocals 60 Min, Violin 60 Min, Drum / Percussion 60 Min, Songwriting / Composition 60 Min, Ukulele 60 Min, Handpan 60 min, Voice 90 Min, Voice 180 Min, Brass 60 Min, Clarinet 60 Min, Harmony / History 60 Min, Theory 60 Min