Is there some rule of thumb for determining if something is a fast 3/4 or a slow 6/8?
I do know the difference between 3/4 and 6/8. But occasionally I'll hear a song which is at just the right tempo that it feels like phrases could either be 2 measures of 3/4 or 1 measure of 6/8, depending on how you're counting the bpm. Is there a rule of thumb for differentiating them? Usually I try to imagine it written out. Would it make more sense or be more readable/playable one way or the other? Sometimes that helps, but sometimes not. What do y'all think?