For hosting common files it's ok. Also it is on Android too do, great to transfer files between your Windows and your phone. But if you want better security you have to subscribe a monthly offer.
AIMP - AIMP : Free Audio Player : Официальный сайт программы
Dropbox - Online Sync and File Sharing
Deezer - Deezer is a music streaming app created in France. It is available in 180 counties and gets 16 million users a month. 6 million of the users have paid subscriptions. Read more about Deezer.
Google Drive - Access and sync your files anywhere
Yandex Music and Podcasts - Yandex Music and Podcasts app bring millions of tracks and podcasts right on the phone.
Mega - Secure File Storage and collaboration