There have been some subtle shifts in digital music this year, trends that will accelerate over the next few months as the holidays near. I’m not talking about MP3 players and the new models to tempt you. Rather, there is an increasing amount of music available that does not require the downloading of songs to a portable device. It’s Internet radio on the go, and the trend is emerging as a potentially disruptive market force, putting into question the need for a satellite radio service or even the purchase of music.
