Not sure if it works with desktops/laptops, but there is a guest mode (disabled by default) in the settings (on the Android app) that allows anyone to add thing

Not sure if it works with desktops/laptops, but there is a guest mode (disabled by default) in the settings (on the Android app) that allows anyone to add thing sto the player queue. Only app I know for sure it works is Youtube. I'm not sure what other app handles it, maybe GPM and Spotify.