Actually, I designed Capo for one-handed use. And, if you don't have a newer keyboard w/ the option key right beside the arrow keys, you can use pgdn/pgup to g

Actually, I designed Capo for one-handed use. And, if you don't have a newer keyboard w/ the option key right beside the arrow keys, you can use pgdn/pgup to go between the markers, rather than opt-left and opt-right.