Before you can download music and play your music offline you should connect network account.
Just open ‘Connect’ Tab and add your account.
Once you added network account you can download your music from the cloud.
To download music from the cloud
– Open connected network storage.
– Navigate inside the folder you want to download.
– Tap on ‘Edit’ button.
– Select files you want to download and tap on ‘Download’ button.
To download Artist/Playlist/Album/Genre for offline playback
– Open Artists/Albums/Playlists/Genres Tab
– Tap ‘…’ (more) button
– Select ‘Download’ action from Popup Menu