Blogg

Find the number of listeners for each of your top 10 artists and add
them up and divide by 10 to get the average.

Radiohead - 289,174
The White Stripes - 229,137
Bright Eyes - 148,550
The Evenings - 54
Pixies - 183,402
Johnny Cash - 151,506
Elliott Smith - 128,709
Eeebleee - 36
Sufjan Stevens - 96,846
Beck - 208,602

All together:1,436,016
/10=143,602

last.fm`s top average:233,232

143602/233,232=0.6157

so i'm 62% mainstream.