People don’t want a large amount of inconvenient restrictions on their music. Most people are willing to pay for music, but the music industry, to protect their profits…has limited what you can do with that music. More people prefer to buy CDs and rip the music to digital formats for use in music players.
However, this is annoying. No matter what the recording industry does…people will find ways to steal music. All they do by putting in inconvenient restrictions is discourage the impulse buying of singles that they desire. People will burn their DRM(Digital Rights Management) encoded music to CD, then back to an MP3 without DRM.
In the end…we have never purchased a song from an online music site…it seems more trouble than it is worth.