PCDJ - Version 5.1 A dual MP3 player with DJ mixing capability. Dual player actually plays 2 tracks at once and lets you mix between them with cross fade and pitch controls. Autoplay instantly fades between tracks. Additionally, PCDJ automatically organizes all your MP3 files into a record case and lets you set up subgroups by artist, genre, or whatever you want. MP3.com recommended 5 Star player!