My missus' new Toyota Corolla has the option to Bluetooth music to the radio from your phone.
Using her iphone and the phones amazon music app all the album cover art shows up as does the song names, album name and artist info. Album, playlist and song listings all show too.
Trying it using the same app on my Sony XZ2 just brings up 'unknown' for artist, album and song names and a blank album cover. Everything else shows up as blank spaces.
Using the phones default music app everything shows as it should but most of my music is on Amazon.
I've checked permissions on the amazon app and its the same as the default player and the permissions are the same on both phones too (everything is granted) so i have no idea what else to try.
Just displays this: