Although, I think I'd still be careful with that limited information:
This was an online event during the pandemic
I'm not american and I sometime don't get your culture, wtf is this million dollars event that requires big companies to do substantial donations? If they're invited it might be "common procedure" that they donate in return? In that case donating would be the neutral thing to do? (Which is still a bit cowardly)
I've had enough of Spotify's anti-artist practices since being an early adopter, I pay for a premium family account and I'm ready and willing to jump to any service with a not-narrow range of music that treats artists better. I'd rather not just sail the seven seas cuz I find the management of it all annoying, but I'm real irritated with Spotify and ready to consider maybe even that if there's just nothing else.