How Long Is Your Tail?

The long and short tail are the percentage of the total amount of tracks played that fall outside and respectivly inside the cummulative tracks played for the top-n rated artists. The short tail is exactly the oposite.
If that's to much to grasp at once: To calculate the Long Tail you take a user's Top50. Calculate the sum of all the playcounts in there. Then divide it by the total amount of tracks played as listed in the user description area. Multiply it by a hundred to get a percentage. Substract it from a hundred to get the short tail. Based on a idea by itazurada.
AEP is the is the brainchild of C26000, he wrote a nice journal about AEP calculation.

Calculate Yours

Use this form to calculate your Long Tails, Short Tails and AEP's.

Last.fm username:

KakuCP9 has a 9.3% long tail.

This also means the short tail is 90.7%
His ALT (Average LongTail) is 28.11%

You can also include this as a image anywhere you like.
This might look something like:
My short and long tail are:

Use this BBCode:

And while I was on it anyway, I calculated a full list of tail lengths and AEP's for all the top50 positions:

Rank:	Artist:	Plays:	Top:	Longtail:	Shorttail:	Average LongTail:	AEP:
1	Emery	13967	1	87.8%	12.2%	87.8%	5
2	Hoobastank	10271	2	78.8%	21.2%	83.3%	1.19
3	Story of the Year	8855	3	71.1%	28.9%	79.23%	1.14
4	Anberlin	8143	4	64%	36%	75.43%	1.47
5	Number One Gun	5435	5	59.2%	40.8%	72.18%	0.43
6	Panic! At the Disco	5217	6	54.7%	45.3%	69.27%	0.78
7	Ivoryline	4789	7	50.5%	49.5%	66.59%	0.95
8	Linkin Park	3411	8	47.5%	52.5%	64.2%	0.61
9	Eye Alaska	3306	9	44.6%	55.4%	62.02%	0.8
10	30 Seconds to Mars	2261	10	42.6%	57.4%	60.08%	0.54
11	Emarosa	2117	11	40.8%	59.2%	58.33%	0.63
12	Fall Out Boy	2116	12	39%	61%	56.72%	0.76
13	The Upset Victory	2038	13	37.2%	62.8%	55.22%	0.85
14	Acceptance	1871	14	35.5%	64.5%	53.81%	0.9
15	Innerpartysystem	1740	15	34%	66%	52.49%	0.95
16	Craig David	1735	16	32.5%	67.5%	51.24%	1.04
17	Conditions	1718	17	31%	69%	50.05%	1.12
18	Search The City	1615	18	29.6%	70.4%	48.91%	1.17
19	Broadway	1324	19	28.4%	71.6%	47.83%	1.14
20	The Audition	1304	20	27.3%	72.7%	46.81%	1.2
21	D-51	1295	21	26.2%	73.8%	45.82%	1.25
22	Sent By Ravens	1222	22	25.1%	74.9%	44.88%	1.28
23	Hands Like Houses	1214	23	24%	76%	43.97%	1.33
24	InPassing	1106	24	23.1%	76.9%	43.1%	1.35
25	The Starting Line	1074	25	22.1%	77.9%	42.26%	1.38
26	There for Tomorrow	1003	26	21.3%	78.7%	41.46%	1.4
27	Saosin	982	27	20.4%	79.6%	40.68%	1.44
28	Secret And Whisper	960	28	19.6%	80.4%	39.93%	1.47
29	Let's Get It	941	29	18.7%	81.3%	39.19%	1.5
30	Sleeping with Sirens	939	30	17.9%	82.1%	38.48%	1.53
31	Jamie's Elsewhere	887	31	17.1%	82.9%	37.79%	1.55
32	Settings	806	32	16.4%	83.6%	37.13%	1.56
33	The Dangerous Summer	745	33	15.8%	84.2%	36.48%	1.57
34	Roy English	638	34	15.2%	84.8%	35.85%	1.57
35	Hyland	633	35	14.7%	85.3%	35.25%	1.59
36	Isles & Glaciers	628	36	14.1%	85.9%	34.66%	1.61
37	Sleep For Sleepers	541	37	13.7%	86.3%	34.09%	1.6
38	HOME MADE 家族	494	38	13.2%	86.8%	33.54%	1.61
39	Jonny Craig	479	39	12.8%	87.2%	33.01%	1.62
40	Swimming with Dolphins	469	40	12.4%	87.6%	32.5%	1.64
41	The Classic Crime	443	41	12%	88%	32%	1.64
42	Take Cover	421	42	11.6%	88.4%	31.51%	1.65
43	Waking Ashland	409	43	11.3%	88.7%	31.04%	1.66
44	Red Hot Chili Peppers	375	44	11%	89%	30.59%	1.67
45	CwP	364	45	10.6%	89.4%	30.14%	1.68
46	The Lives of Famous Men	361	46	10.3%	89.7%	29.71%	1.69
47	高田梢枝	323	47	10%	90%	29.29%	1.69
48	Kelli Ali	307	48	9.8%	90.2%	28.89%	1.69
49	Jamiroquai	297	49	9.5%	90.5%	28.49%	1.7
50	Ruppina	276	50	9.3%	90.7%	28.11%	1.7

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Created by Paul Cornelissen (pcmadman)
Visit pcmadman's last.fm profile or contact him at pcornelissen -at- gmail.com