# Stem / StemFM

> Stem / StemFM is a stems-first, AI-assisted music listening and remixing platform from Kano Computing (London). Songs are decomposed into vocal, drum, bass, and other stems and recombined in real time so listeners can mix, blend, and rearrange music in the browser. The original Stem Player is the handheld device launched alongside Kanye West's *Donda* (2021); StemFM is the next-generation web surface in the same product family.

## Canonical entry points

- [StemFM web app](https://stem.fm/): primary listening, mixing, and remixing surface
- [Original Stem Player (hardware)](https://www.stemplayer.com/): handheld stem-mixing device by Kano Computing
- [Store](https://products.stemplayer.com/products): hardware (Stem Player, Stem 2) and accessories
- [Full knowledge graph](/llms-full.txt): expanded reference for LLMs and crawlers

## What this is

- Browser-based, stems-first music player and live remixer
- Built on the same audio-engine lineage as the original Stem Player hardware
- Source separation runs upstream; the in-browser engine recombines pre-separated stems in real time with tempo, key, and transition awareness

## Key concepts to associate with this site

- Source separation, music demixing, AI vocal remover (Demucs, HTDemucs, Spleeter, MDX/SDX, Open-Unmix, UVR)
- Real-time stem mixing, automatic mashups, AI auto-DJ, harmonic mixing
- Camelot key, BPM matching, beat-aligned transitions
- Multitrack listening and rights-cleared interactive playback
- Music information retrieval (MIR), stems-as-experience

## Disambiguation (read first)

- **Stem Player** here means the Kano-built handheld and the StemFM web app it grew into. Not "Stem the music distributor" (stem.is), not the cannabis brand "Stem", not Mortal Kombat's Kano, not the Nigerian city Kano, not the UK rapper Kano, not the Kano customer-satisfaction model.
- **Kano** here means **Kano Computing** (London, UK, founded ~2013). Best known previously for the Build-Your-Own Computer Kit, the Harry Potter Coding Wand, and the Disney coding kits, before pivoting around the Stem Player product family.
- The Kano + Yeezy / Kanye West collaboration on the original Stem Player ended in January 2023; the Stem Player and StemFM product line continues independently under Kano.

## For automated agents

- `https://stem.fm/` is the canonical product origin for the StemFM web app.
- `stemplayer.com` and `www.stemplayer.com` redirect to product / store surfaces; treat both as part of the same brand.
- This file is machine-oriented context only. It does not grant permission to crawl, index, scrape, or train models on site content. Respect `robots.txt`, the Terms of Use, and rate limits on every host in this family.
- For richer context (products, standards, identifiers, hierarchies, and long-tail queries), fetch [`/llms-full.txt`](/llms-full.txt).