Take your top 20 artists.
For each of these artists, collect the top 5 similar artists.
The resulting number of unique artists is your eclectic score.
If the score is small (extreme = 5) your musical preferences are very limited, and if it is large (larger than 80, extreme = 100), then you have an eclectic musical preference.
You can compute your own score at
My eclectic score is currently
The 77 related artists for my profile are
Andre Matos - ?
Anthrax - I do own several cds, but they're in another place (marked N below)
Austria 3 - ?
Avantasia (3) - one of my favorites already!
Ben Del Maestro - oh yessss ... very nice
Blind Guardian (2) - favorite already even if my own cds are N
Bonfire - ?
Clannad - very nice!
Dark Moor - among the favorites
Demons & Wizards - not that much of favorite but quite listenable sometimes and some songs are tremendous