Go for it! There's a really cool article on medium explaining how to mint audio NFTs, it's a little different than minting images/gifs.
It works like this: You mint an image that resembles your audio (or it doesnt have to) and make it so after purchase you unlock the audio. Here's the detailed explanation on how it works:
https://medium.com/pinata/how-to-mint-an-audio-nft-to-sell-1733cd864090
Also I recommend trying app.mintable for your first few NFTs since they have the first 50 NFTs for free (no gas fee!)