Multicamera: possible to show two angles simultaneously?

I am learning to use the multicamera functions and I love them. Also, I've seen how to split the screen to show two clips at once. I've also learned how to create the Picture In Picture effect.

What I need to know is: is it possible to combine these?

Basically: In multicamera editing, instead of choosing just one camera view at a time, is it possible to show two or more views at a time, on the screen at once? Either as a split screen, or a PIP?

Here's what I envision: Filling the screen, a large view of a musical performance. A PIP in one corner of the same performance, perhaps a closeup of the pianists' hands, for instance. Both views obviously synced to the audio track.

I'd love to be able to do the same thing, but with split screens sometimes instead of PIP.

Is this a built in feature of multicamera editing somewhere? Or, is there perhaps a manual workaround that I can use to achieve the same effect?

Thanks so much!