MEMS https://usound.com/usound-introduces-patient-safe-mems-louds...

Datasheet (PDF) https://usound.com/download/achelous-datasheet/?wpdmdl=746

Electrostatic headphones: https://www.audeze.com/blogs/audeze-journal/press-release-fo...

You can technically alter the sequence to make the scanner itself produce music. I don't know if anyone actually does this...

https://pubmed.ncbi.nlm.nih.gov/26178439/

Stimulating the audio processing part of your brain directly with the MRI machine.

Hire a non-metal band to play for you in the room.