Money quote, from the first paragraph: "The belief that giving away free music will result in future sales are too far-fetch." Freed from the bounds of subject-verb agreement, the author continues rapidly down the "giving away music for free devalues the music" path. Oh, noes! Freebies is for making people accustomed to free musics!
Indies shouldn't give away their music because that will give them exposure, and possibly dethrone the few aging dinosaurs currently atop the charts.