JBL Music Cast is a free app that allows you to play your music on your PC or Mac. It features an easy-to-use interface and is designed to make it easy for you to stream your favorite music and radio stations. The app is compatible with both Windows and Mac, and it also has an online radio feature that lets you listen to your favorite stations whenever you want. To use the app, simply download it and install it on your PC or Mac. The app supports all the most popular file formats, and it will work with most popular audio players and media players, such as iTunes, Windows Media Player, and VLC Media Player. The app is compatible with the most popular streaming media services, including Pandora, Spotify, iHeartRadio, and TuneIn. The app also has a feature that allows you to add music to your library. You can easily browse the music library of the app and play your favorite music.