Multiple genre tags are concatenated with semicolons

I installed mopidy-2.2.2 on gentoo linux.

mpd takes care of multiple genre tags properly. But, mopidy just concatenates them into one genre tag by inserting semicolons between them.

For example, aaa.mp3 has the following tags.
genre: rock
genre: ballad

mpd would show aaa.mp3 in both rock and ballad genres.
mopidy shows aaa.mp3 in “rock; ballad” genre.

Is this a bug?

Sounds like it. If you post an issue on the github tracker with the exact steps someone could use to reproduce, that’d be great. I’ve had a quick look but I can’t see anything on there already about this.

I submitted an issue on github.