In my logic, switching weapons cancels a song because you can't play a song on a bow.??Well, you can... but it'd be rather monotonous... Anyway, I seriously doubt they made it this way so you can forgo Adapt.
Skills have delay for a reason.
This is why it seems dishonest to me.
Things are the way they are per the laws of the game designers.??Using the rules in place to find yourself a loophole around the aforementioned predetermined laws is dishonest.