Tagging ....multi-value is supported ?

Hello volumio teams I’m a rookie in volumio world.
I have a question about the tag with mutliple value in ARTIST for exemple on a album.
ARTIST contains “Juliette / Didier Goret” etc. 2 artist for this duet by exemple
I use this method for the tag GENRE like “Jazz / chanson française”
witch separator I must use for volumio considers the 2 differents artist when it scan the song’s tag ?
is volumio support the multi-value tagging ? (like xbmc by exemple…)