First, make a list of your top-20 artists overall. Then, for each of these artists, add the 8 most similar artists to your list. Delete any duplicates, count up the number of entries on your list and this will give you some idea of how eclectic your listening habits are. A score of 9 represents an extremely unvaried musical taste while a 160 represents an extremely varied one.
1. Senses Fail
1) Silverstein
2) Hawthorne Heights
3) Armor for Sleep
4) Funeral for a Friend
5) Taking Back Sunday
6) From First To Last
7) Scary Kids Scaring Kids
8) Chiodos
2. Avril Lavigne
9) Katy Perry
10) The Pretty Reckless
11) Ke$ha
12) Pitty
13) Paramore
14) P!nk
15) The Veronicas
16) Lindsay Lohan
3. My Chemical Romance
17) Pencey Prep
18) Panic! At the Disco
19) The Used
20) Fall Out Boy
21) 30 Seconds to Mars
22) Green Day
23) The Blackout
24) The Academy Is...
4. You Me at Six
25) Kids In Glass Houses
The Blackout
26) All Time Low
27) Mayday Parade
…
Pinhead Gunpowder