Check out this video from about 1:15 on, as a brass band play the leftist anthem "Bella Ciao" to drown out #ProudBoy neo-Nazis who showed up at a #NoKings rally in Atlanta yesterday. Not only is it incredibly heartening, but the band SLAPS.

https://www.youtube.com/watch?v=jhBaJpzAR2k

ETA: A Tumblr user identified the band, "The Black Sheep Ensemble":

https://www.youtube.com/watch?v=zr3zqlA1uhk