Franz Recipe for Youtube Music
This recipe only works for Franz 5.X, get it now at http://meetfranz.com
Clone/download the folder recipe-franz-youtube-music.
Open the Franz Recipe folder on your machine:
~/Library/Application Support/Franz/recipes/%appdata%/Franz/recipes/~/.config/Franz/recipes/Create a dev folder if you have not already done so
Unzip and copy the recipe-franz-youtube-music folder into the recipes dev directory
Restart Franz