Soundscan is a company that tracks and publishes data from the sales of music and music video products throughout the United States and Canada. Billboard uses SoundScan to create its album charts each week for album sales in the U.S.

Practicing And Performing Music
There is a perception that performing and practicing music are two very different activities. I think that the relationship between performing and practicing is deeply intertwined and at a certain level the distinction between the two virtually disappears.

