Take your top 50 artists. For each of these artists, collect the top 20 similar artists (where the artist itself is the #1 most similar). The resulting number of unique artists is your super-eclectic score. You can compute your own score at http://anthony.liekens.net/pub/scripts/last.fm/supereclectic.php

My super-eclectic score is currently

883/1000

The most similar artists for my profile are 安室奈美恵 (5), 中島美嘉 (4), 宇多田ヒカル (4), 伊藤由奈 (4), Crystal Kay (4), 浜崎あゆみ (4), 島谷ひとみ (4), Utada (4), 鈴木あみ (4), BoA (4)

I used to do this by hand. Thank you, Mr. Liekens.

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 http://anthony.liekens.net/pub/scripts/last.fm/eclectic.php

My eclectic score is currently

95/100

The 95 related artists for my profile are 16 Horsepower, 3-2-1 Activate!, After Forever, Agatsuma, Akhenaton,…

Me Just Happy Robot explode onto deep underground rock scene sometime between 1974 and second coming of Jesus. Me Just Happy Robot sound like pretentious indie rock with 20% increase of pee pee odor. He smell like pee pee.
Me Just Happy Robot consist of Intension_23, a cybernetic android from beyond moon. Far beyond moon.
Me Just Happy Robot make CD from demo tape on indefinitely borrowed 4-track. Me Just Happy Robot still have 4-track. Give back 4-track.

OPENING CREDITS: Ten in 2010
WAKING UP SCENE: I Woke Up in a Car
ROAD TRIP SCENE: Don't Stop Me Now
CAR CHASE SCENE: All I Want
HIGH SCHOOL FLASHBACK SCENE: Killing an Arab
ANGER SCENE: maJiK
RELAXING SCENE: Talk Show On Mute
EXCITED/HAPPY SCENE: Tonight I'm Going To Rock You Tonight
WAITING/BORED SCENE: Lazy Day Afternoon
BREAKUP SCENE: Song for the Dumped
REGRET SCENE: Sunburn
PARTY SCENE: Frijolero
TOGETHER WITH FRIENDS/GOOD TIMES SCENE: Bad Boys
FIGHT SCENE: Down With The Sickness
REMINISCING SCENE: Now and Then
BREAKDOWN SCENE: Swamped
SCARY SCENE: Golgotha
DEATH SCENE: Perfect Time
FUNERAL SCENE: Dust…

Basic instructions: take the number of last.fm listeners for each of your top ten artists and add them up. Dividing this total by 10 will give you your rating. Your rating can be divided by the max possible rating (248919) then mulitplied by 100 to give a percentage.

Stephen Lynch 14,180
Luna Negra; Ottmar Liebert 3
Emer Kenny 158
Jimi Hendrix 157,264
John Rankin 4
Lacuna Coil 53,819
:Wumpscut: 21,301
Seal 48,064
Clarence "Gatemouth" Brown 843
Utada 7,067

302703 / 10 = 30270.3 / 248919 = 0.1216 * 100 = 12.16%

Note: Luna Negra and Ottmar Liebert are listed together…

1. Take your top ten artists and get their 'emo rating' If you look on the artist page and then click "Tags" you can see how many times they've been tagged "Emo."

1. Stephen Lynch 2
2. Emer Kenny 0
3. Jimi Hendrix 9
4. John Rankin 0
5. :Wumpscut: 0
6. Seal 4
7. Clarence "Gatemouth" Brown 0
8. Utada 0
9. Coheed and Cambria 523
10. Clannad 1

2. Add them all together and divide by 10 to get the average

539/10 = 53.9

3. Then divide that by the average of the top ten emo artists, which…