… important to have a tool that are capable of optimize and standardize your mp3 collection. In this Mp3DoctorPRO you can adjust the tempo of the song without change the speed (Ideal tool for DJs) or vice versa: change the pitch without changing the tempo andlisten results in real time BEFORE proccessing the file!. Also you can equalize every song so the resulting mp3 sounds much better, not only with anew brigther volume, but a brighter overall sound. You will also finally listen even …