You need to set it up in WMP 32bit first then they will shown up in 64bit WMP/WMC.
I play flac music files in WMP/WMC and to get the cover image and info sometimes I have to right click on the album in WMP and select "get album info" and it will download the album data.
I play flac music files in WMP/WMC and to get the cover image and info sometimes I have to right click on the album in WMP and select "get album info" and it will download the album data.