These are the songs sorted according to the word you are looking for (back)

Inna - Flashbacks Slowed Reverb

Inna - Flashbacks

Monoir - Get Back To Me

Mahmut Orhan - Backwards Feat Botan Beyaz Ultra Records

Anycia Ft Latto - Back Outside

Acdc - Back In Black

Amy Winehouse - Back To Black

Inna - Oh My God

Modern Talking - Theres Too Much Blue

Modern Talking - You Can Win If You Want