how do i delete specific song or songs from iphone with 7.1 ios

Hello there myrocky24,

To delete songs from your phone in iOS 7 is the same as in iOS 8. These steps are outlined here:

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

iPhone, iPad, or iPod touch

1. Tap the Music app.
2. Tap the Songs category.
3. Swipe left over the song you want to delete.
4. Tap Delete.

Thank you for using Apple Support Communities.

All the best,

Sterling