Not Scott Hansen Tycho, although I'll need to check out his music now that you mention it. Theory can be very dry and confusing and frankly off-putting, but th

Not Scott Hansen Tycho, although I'll need to check out his music now that you mention it. Theory can be very dry and confusing and frankly off-putting, but the above I think is something anyone can absorb and then start using. If you play chords from that set you can sing and make up a tune with the comfort that any of those chords is going to be a good option to play next, so it's very liberating and you can quickly try different things.