Sell courses on producing. Put sample material on Youtube, TikTok with a link to your course. It might take a while, but I know a guy who supplements his music career by selling these courses and offering mixing/mastering to various clients.
I’m a Developer, not a Designer but when things get tight financially while I’m pursuing business ventures I do whatever I can to find freelance clients. It’ll be tough, but sometimes it’s needed if the business is not paying yet.
Do you have any insights as to when the business will be self-sufficient? If it’s not anytime in the next ~6 months, I would ask myself if this is something that needs my attention right now
Freelance writing might be a good start. r/freelancewriters is a goldmine of information.
If you’re already familiar with it, you can create the content and the developer can build around the idea. They shouldn’t need specific domain knowledge in order to build a workable MVP.
I’m a Software Developer currently working in the insurance industry. I don’t know the first thing about insurance beyond the very basics which was enough to secure employment.
Post your skills and a portfolio over at r/forhire. December is a slow month but you might get lucky.