02.20.09
Popular Artists

Number of band/artist members determined by wikipedia.
Band/artist first active determined by wikipedia.
When wikipedia information was unavailable, date of first release
or date of myspace page creation was used.
Artist year of birth determined by wikipedia.
02.09.09
Where They Live

Locations of artists in Billboard’s Top Hot 100 determined by their myspace pages and,
when more specificity was required, wikipedia.
Locations of artists in Pitchfork’s 100 Best determined by their myspace pages and,
when more specificity was required, wikipedia or Pitchfork’s own reviews.
02.05.09
Top Hot 100: Record Labels

Record labels determined by wikipedia.org.
When a song was released by more than one label the larger label was used.
Label ownership determined by wikipedia.org and discogs.com.
02.04.09
100 Best Tracks: Record Labels

Record labels determined by pitchforkmedia.com.
When a song was released by more than one label the larger label was used.
Label ownership determined by wikipedia.org and discogs.com.