Is western music the "best" music?

Western music (classical music, jazz pop, rock etc) is obviously the dominating music in the world. Of course western music is also influenced by other music cultures but it remains western music since harmony is the base of all this kind of music. Western music is the real "world music" - the so-called world music is in truth local music. Is it so because western music is so much better than the music of other cultures like Asia or Africa? Or is more a question of power and - what else - money? Every dominating country is exporting also their culture, language and of course also music. I am curious what happens if the dominating cultures are not USA and Europe anymore. Do we get another dominating music?