Having composer name on the bottom of my song?

Greetings Santoyo_adrian, 

Let’s begin with some basic troubleshooting to start isolating what you’re seeing. 

1. Force close the Music app and relaunch Close an app on your iPhone or iPod touch

2. Restart your device Restart your iPhone

3. If this isn’t downloaded music, check while connected to a different network

Let us know what you find out. 

Thanks.