DJ Mannia is the ONLY way to go for a DJ in Punta Cana.  We were VERY fortunate to have German DJ our wedding at The Paradisus Palma Real.  He absolutely killed it.  From start to finish, the entire dance floor was packed all night long.  Any DJ can play songs, but German had such a great feel for when and how long to play certain songs.  My only regret is not booking the venue and German for an extra hour because no one was ready to leave the dance floor.  He even hooked us up with several "extra songs" always giving in to the crowd chanting "One More Song" until the venue shut him down.  If you are looking to play music at your wedding, book the resort DJ.  If you are looking to having an experience for you and your guests, book Mannia.