Problem with repeating songs

You might have repeat on or have tapped it a certain amount of times

In the now playing area, scroll up to reveal the repeat button

If repeat is on, the  Repeat button turns pink

Here’s how it works:

Repeat songs

Play an album, playlist, or song, then open the Now Playing screen and scroll up.

ap  Repeat once to turn on repeat for an entire playlist or album. Tap  Repeat again to turn on repeat for one song. Tap  Repeat a third time to clear the repeat.

for more info:

https://support.apple.com/en-us/HT207230

Or

If the Music App isn’t responding:

Make sure your iOS software up to date

• Close the music app
• in Settings- General- Reset - Reset Network Settings

Restart your iOS device.