background music

CropaRatio allows easy cropping against a white background on pictures.

Runs a background Daemon, manage multiple configurations

Multitask while you listen, with background playback of all radio stream.

App Switch Beep is a background application that plays the system sound.

MenuMusic 1.0 is simple background mp3 player for the Macintosh.

Run screensavers as desktop background.

Record Spotify, Apple Music, Amazon Music, Tidal Music, YouTube Music and so on.

Digital music stand for reading sheet music, basic version available.

It can re-discover music that got "lost" somehow in your iTunes Music Library.

My Music lets you create your own music library.