Same word. Different product.
Spotify added a stems-related feature. Stems.fm sells stems as NFTs. The two are getting smashed together in search results and it's confusing for anyone trying to figure out which one they actually want.
Here's the distinction in plain language.
What Spotify is doing with stems
Spotify's stems feature, rolled out for some songs in late 2024, lets you adjust the volume of certain layers in real time while listening. Vocals down, drums up, that kind of thing. The mix is happening on Spotify's servers, the layers are pre-baked, and you're not getting the files.
It's a listening tool. Same subscription, same monthly fee, no ownership. The stem layers exist inside Spotify and don't leave Spotify.
Apple Music has a similar thing in development. Tidal has been quietly playing with the concept for years.
What stems.fm is doing with stems
Stems.fm puts each layer of a song onchain as an ERC-1155 NFT. You don't stream it. You don't license it. You own the token, which represents the layer, which the chain confirms is yours forever.
Then you can forge stems into a Song token, forge Song tokens into an Album token, burn things permanently, trade things on OpenSea. The audio is part of it, but the asset itself is the token. The audio just rides along.
Listening versus owning
Spotify's model is listening with extra knobs. Pay your monthly fee, mute the vocals on whatever song you want.
Stems.fm's model is collecting. Buy a stem, hold it, sell it, burn it into something rarer. The whole point is that the token does something.
What overlap there is, briefly
Both depend on the artist actually splitting their session into layers and exporting clean stem files. That's the same engineering work either way. Same Ableton or Pro Tools session, same export step.
Both let listeners do something they couldn't do with a finished MP3. Past that, the products diverge.
Why this confusion keeps happening
Streaming platforms saw producers and DJs getting hyped about stems and decided to add something stem-flavored. The word now means three things at once. The producer's working file. The Spotify in-app slider. The onchain NFT. All called stems.
Search engines don't know which one you mean. Neither do most explainer videos. So you get the wrong answer half the time you Google the word.
Which one you actually want
If you want to mute the vocals in your morning playlist, you want the Spotify feature. Existing subscription, no wallet, no setup, nothing to own.
If you want to actually buy a piece of a song and have a verifiable claim to it, you want stems.fm. Wallet required, ETH required, real money involved, but the asset is yours.
Almost nobody needs both. They serve different itches.
The honest summary
Spotify's stems are a UI feature. Stems.fm's stems are property.
Same word. The argument for stems.fm is that property is more interesting than a slider. The argument for Spotify is that a slider costs nothing extra and works tonight.
Both can be right at the same time.
Where to read more
- Whitepaper: "Stems: A New Layer for Valuing Music" by Kyler Simzer (footer, Documentation) for the case for owning stems
- Spotify's help docs for the listening feature, if that's what you came here looking for
- Stems.fm/mint for the actual collecting experience
If you came here for the Spotify thing, this article is the long version of "open Spotify." If you came here for stems.fm, /mint is where the collecting actually starts.
