Downloadable computer software for managing digital music libraries and playlists, namely, editing, selecting, arranging, and organizing music in playlists and digital music libraries; downloadable voice-enabled software applications for managing digital music libraries and playlists, namely, editing, selecting, arranging, and organizing music in playlists and digital music libraries

Feature of computer software platform for removing and replacing music in playlists and digital music libraries; feature of downloadable mobile application for removing and replacing music in playlists and digital music libraries