On a tangent - can one "jump" to any marker in a BIAB song, using say a keypress from the qwerty board?

So let's say you are playing a song live, and it is on the last loop, and then some in the crowd decide they want to start dancing. Can a user then press say the F1 key for example, and cause BIAB to jump back to the start or some other user defined point in the song to extend play?

Thanks
Dennis