My room is 22’x14’ with a 12’ ceiling.
I have a 4.4.4 Goldenear system that I use for both home theater and music.
My front and rear speakers are Triton Ones with a Reference center speaker and four Invisa HTR-7000 in-ceiling speakers for the height channels.
Parasound JC5 powers my front speakers.
Two Parasound A51 amps power the other speakers.
Pre-pro is Marantz AV8805. Sources are an Oppo 203 and a Roku.
My music is easy going rock, pop, jazz, some classical. The Beatles, Paul Simon, Billy Joel, Herb Alpert, Bill Evans, Paul McCartney, Steely Dan.