How’d it go OP?

So, I guess you're just not gonna go ahead and do that then.

I’m not a musician

Playing a Gmaj 7th chord progression OVER an Em is very different from playing an Em over a B-flat, which is what the OP was asking for help on.

Seems like you just did a quick Google search and picked something, and I'm just trying to see out how far down the rabbit hole you were prepared to go with this, since I have no clue either. I just play by ear.

In fairness I know what a relative minor is and I also think letting the band changes create the dissonance and resolution would make for a more interesting solo than just floating around the scales on the root notes.

Me too

so if the e minor is going to resolve when the pianist returns to G7 isn’t he doing his job as a soloist making the music more dynamic by creating tension and resolution?

and doesn’t he have to distance himself harmonically from rest of the band to force the attention to the soloist?

I can’t play it but when I imagine how it would sound I’m thinking it might have a Sun Ra type of quality

It's not going to resolve, it's going to clash sonically on the B-flat, which is his entire reason for this post. 'What should he play over the B-flat?'.

Showcasing is all this really boils down to, and there's no right or wrong answer, it all depends on how ballsy the kid is. Should he 'wow' em with the Hawk off-the-cuff method of dissonance, or play to and for the tune.

Obviously, 'wow' em with the Hawk off-the-cuff method of dissonance.

And of course give you full credit.

He walks up to the podium after the song ends:

"Ladies, gentlemen, parents of the ensemble... I just wanted to let you know that the Em played over the B-flat during my solo was not the work of my own, but was selflessly given to me by a warm, endearing stranger I happened to have made the acquaintance of on an internet music forum. His name, which I'll reveal to you shortly, doesn't matter. All that matters is that this man, nay, this God in human form magnanimously gave of himself with such abandon, such benevolence and disregard for self, that Ghandi himself blushed thusly and heretofore claimed himself unworthy. This act of chivalry and humanitarianism could only be the work of such a creature that all who are cast amongst his gaze can only be consecrated in such a way as it is in life as it is in death, to beholden their own mortality to which all the creatures of this and all universes hold true to themselves. This entity I speak of... his appellation, his designation... he is... the one they call...

OH"

amirite?