My music taste is erratic, eclectic and subject to fickleness, for I lavish my musical love on a per-song basis. Excellence can be fluke-a-rrific and sometimes the same artist or even the same album can have stuff I don't like - a large part of why some of the tools above have been way off the mark (for me, personally) with recommendations.
I don't think even *I* can pin down what it is I like about my favorite singular songs, except a predilection for syncopated beats and rich melodies. It's nice to know that whether I listen to Air or…