Music Oasis, as the name indicates, is a software program that lets you download or stream any song from its library. The songs in the collection are high-quality, DRM-free, and in the MP3 format so that they could be played on any music player. The app lets you download tons of free music legally. And, as per the makers, the program is virus- and spyware-free. Despite being zero-cost to the user, Music Oasis has a solid number and variety of music to offer. Also, there are no registration or purchase requirements – you can access music as soon as you download and install the app.