YT music, with or w/out vids, to me is like flipping thru the LPs’/CDs’ @ a b&m shop....
Sometimes with ’something in mind’, but open to the surprise....;)
Using ’phones eliminates my speakers and the space that they and I am in.
As for your speakers for listening to speakers in another space filtered by that to do so....
...I posted a vid featuring my diy efforts a rather long while back (’15)....in G Search as the first image, 7x in the images page....
I apologize for the lousy audio, Sony P&S camera, mono from the mic onboard....noisy fluorescents, ceiling fan on low...at least on a tripod...*G*
....been a low priority to reshoot, and the subject has improved...
Pre-Happy Labor’d Daze...J