Yes, there is a market.
Google what you would like to sell:
1. See what people is already selling.
2. See how many people is advertising in google those products. If they are willing to pay for advertising, it means that they are making money.
3. You can use
this google tool to find how many people is looking for products similar than those you want to sell. For example, type the phrase "guided meditation media" to see how many people types this phrase in google every month.
This way you can get an idea of the size of the market you want to target.