Where can I look for the gear Dean Mumford uses?

Find and submit the pianos, keyboards, synths, microphones, and other instruments used by Dean Mumford.

If the artist is active on social media, check places like their Instagram feed and look for musical equipment they can be seen using.

You should also do a Google image search for things like "Dean Mumford studio" and "Dean Mumford live" and spot gear that way.