Option to “play all parts” even if you’re only looking at one

Hi,

Couldn’t find an option for this in the playback control (I might have missed it?), but I’d love it if you could playback the entire score whilst looking at one part from it (if that makes sense). Perhaps this could be a “solo” checkbox on the playback control panel?

Additionally / alternatively, another nice feature would be to playback the entire score, but turn the volume down for all instruments except the one you’re currently looking at?

Thanks for the consideration!