Imagine presenting a Nirvana or BT track to someone from the 1850's, they would probably see it as noise and not much else. Society as a whole has a … - Andrew Sega

If I was obsessed with making money off of my music, I wouldn't have released it for free on the internet for the last 5 years.

So, if you played a C major chord to pretty much any person on the planet, they'd say that it sounds "harmonious" (or pleasing, or happy, etc, etc). But now when you want to put chords and melodies in an ordering and make a larger piece called a "song", then that is a much more difficult process, and gets very subjective. At that point, it's not just the chords, it's the lyrics, rhythms, instrumentation, tempo, intensity, any number of other things that goes into a song... so many variables that it's almost impossible to predict how a song will affect a given person.

If someone gave me a million dollars to run a music label, I would focus on creating a specific artistic point of view, and creating some channel to build a fanbase. Warp Records was a great example of a label that had a particular style, and many people would buy records just because the artists were associated with the label.