Very Good

The download itself takes a few minutes. But aside from that, it is just GREAT. Any music you want, on the go, no Wi-Fi or cellular; no cost.
Of course theres the catch of finding the music, but if you have Google Drive, OneDrive, or just a computer, you should be fine.

Hitori_Samishiku about Musicloud - MP3 and FLAC Music Player for Clouds