There are a few different places that you can find your Apple Artist ID.
In the iTunes/Apple Music app:

- Click the "..." button
- Hover over "Share Artist"
- Click Copy Link
- Paste the Apple URL into the search box in Stem. Delete "https://music.apple.com/us/artist/**example-artist**/" leaving only a string of numbers.
From a browser:

- Copy everything after "https://music.apple.com/us/artist/**example-artist**/". This is the Apple ID. It should look similar to: "1234567890"
- Paste the Artist ID into the Stem Artist Information Search field!
Stem FAQs
Apple