Triad Arpeggio, Level 4. Play two-octave triad arpeggios (all inversions) in different keys, in the same position. Major, minor, diminished and augmented. Guitar: Ibanez AZ2204N. Fender Pro Reverb (2). D’Addario XS (.010-.046) Strings. Lehle P-Split. Providence E205TF Cables. Pickboy TF Signature.