This music player can control speed/pitch in real-time WITHOUT importing binary data of the song into this app. Speed : 50 - 200% (up to 12.5 - 800%) Pitch : ±1 octave Let's use this for learning music or voice by ear. Main features : - Register the songs in the music library to the playlist in this application and play the songs in the playlist. (The song data is NOT imported into the application.) - Time stretch : This function can change the playback speed without changing the pitch. (50 - 200%) (It can be extended up to 12.5 - 800% by In-App Purchase.) - Pitch shift : This function can change the pitch without changing the playback speed. (± 1 octave) - Center cancel : This function can reduce the volume of the center for stereo files. - Repeat playback : repeat off, all songs repeat, 1 song repeat. - Quick jump (back, forward) : Select jump interval from 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 20, 25, 30 sec. - Switch songs (switch one song at a time based on the order of the playlist in the app) - Sort songs (Artist, Title, Recently Added, Formerly Added) - Supports Auto-Lock ON/OFF. If you'd like to try the features, such as more smooth speed/pitch conversion and equalizer, please use the following apps. - Tune Changer - Pitch Shift / Time Stretch / Equalizer - Pitch Change / Equalizer - Time Stretch / Equalizer [Note] This app can't read songs of the following formats. - Songs from iCloud, iTunes Match - Songs that are protected by digital copyright (DRM)