Music from Spotify stops playing after playing two songs.

Hi karolinapk,

Welcome to Apple Support Communities. The steps to help with this app can be found in the Apple Support article: If an app on your iPhone or iPad stops responding, closes unexpectedly, or won’t open - Apple Support

1. "Close and reopen the app. Force the app to close. Then open the app to see if it works as expected.
2. Restart your device. Restart your iPhone or restart your iPad. Then open the app to see if it works as expected.
3. Check for updates. To see if updates are available for the app, open the App Store, tap your profile icon, then scroll down to see if updates are available. If updates aren't available for the app, update the software on your iPhone or iPad.
4. Delete the app, then redownload it. Delete the app. When you do this, you might lose data that was stored in the app. Then redownload the app. Then check to see if the problem with the app is fixed."

Should this issue persist, we suggest getting in touch with the app developer for additional assistance:

How to contact an app developer - Apple Support

We hope this helps you.

Best regards!