Music, mix mastering, logic pro x Set of 3 Songs

These 3 songs have to be mastered and digitally cleaned and in some adding digital percussion/rhythm via Logic Pro X for mac. Will send you the files in mp3 or wave so you can work on them In some cases we want to add only percussion or effects such as speed up the tracks, cutting, fading etc, at the end is to send all back to us for production. Some songs need to be cleaned up digitally and some magic enhancement can be done We will pay by song as needed on a fixed price for each Songs have to be returned in Mp3 and Log Prox Mac