On the other hand, I can’t have two songs playing in my head simultaneously,
Tangent: I play at irish sessions, and one of the things you have to do there is swap tunes. If you lead a transition you have to be imagining the next tune you’re going to play at the same time as you’re playing the current tune. In fact, often you have to decide on the next tune on the fly. This us a skill that takes some time to grok. You’re probably conceptualizing the current and future tunes differently, but there’s still a lot of overlap—you have to keep playing in sync with other people the entire time, while at the same time recalling and anticipating the future tune.
Tangent: I play at irish sessions, and one of the things you have to do there is swap tunes. If you lead a transition you have to be imagining the next tune you’re going to play at the same time as you’re playing the current tune. In fact, often you have to decide on the next tune on the fly. This us a skill that takes some time to grok. You’re probably conceptualizing the current and future tunes differently, but there’s still a lot of overlap—you have to keep playing in sync with other people the entire time, while at the same time recalling and anticipating the future tune.