Q: how do I delete music from my 5c

Hello, jimk188.  

Thank you for visiting Apple Support Communities.  

I understand you want to delete the U2 album from your iPhone.  The steps in the article below will help you with this.  

How to delete content you've downloaded from the iTunes Store, App Store, iBooks Store, or Mac App Store

If you wish to remove the album from your iTunes account complete, here are the steps that will walk you through that process.  

Remove iTunes gift album "Songs of Innocence" from your iTunes music library and purchases

Cheers, 

Jason H.