Shortest: (0:04) No Title, Hot Hot Heat
Longest: (25:31) Pause It And Turn It Up, Biffy Clyro

out of my whole library (discounting interviews/mixes etc) my longest is
My favourite things - John coltrane at 34:37, but I dunno if that counts

shortest is el presidente have very nice pens by GAY. 6 seconds.

wow

bitches brew is 27 minutes
and i have a track thats just the first beat in shes lost control which is less than a second but thats cheating?

http://thelongestlistofthelongeststuffatthelongestdomainnameatlonglast.com/

Shortest: (0:03) Nocturne Impalpable by Sylvain Chauveau

Longest: (62:02) Sun Baked Snow Cave by Boris with Merzbow

Monk Speaks - Thelonious Monk (0:04)

and the longest is very strange, Media Player says it's Ebb Tide, Azure Sky by the Unicorns at a mental 2 hours, 25 minutes and 16 seconds, and sure enough I can skip it to any time in the track and it plays...

Yeah - Kyuss (0.04)
Deftones - MX (37.19)

shortest: Maher Shalal Hash Baz - Fern On the Slope (0:05)

longest: Mogwai - Black Spider 2 (30:26)

Can't say I've ever listened to either, at least I certainly haven't sat through the whole of the Mogwai one.

shortest (0.33) 'Strich' from The Conet Project

longest (22.19) John Cage Meets Sun-Ra

From Babylon To Vienna Voiceover - Farda P (0.10)
Birmingham Happened To Itself - Youthmovies (20.41)

Shortest: (0:05) Ghostface Killah - The ironman Takeover

Longest: (1:11:20) Ricardo Villalobos - Fabric's 7th Birthday 21/10/06

Shortest: (0:04) Flip Sting (A Sound Effect from Kill Bill, Vol. 1 Soundtrack)
Longest: (1:14:13) Mixmag Presents Disco 2006 Mixed By Erol Alkan

Gavin Bryars' "jesus' blood never failed me yet" 74 mins...
GBV's "You're Not an Airplane" 0:39 mins

shortest: (4 secs) goodnight georgie, clinic

longest:(34 min 24 secs) quantum theory, jarvis cocker

Shortest:Hijackin (Herve's Fuck Fuck remix) 0:01

Longest: Ruhevoll, poco adagio 21:09 Mahler Symphony no4 in G Major Classical

A cursory scroll thru iTunes:

Fishstick Gumbo (Man Man) - 0.03
Halleluhwah (Can) - 18.33

Shortest: (0:01) Napalm Death - You Suffer
Longest: (45:43) Orthrelm - OV

Longest: (38:04)Acoustic Show at Spoul Plaza, Jeff Buckley - to be fair it is one recording of many songs, so if that doesn't count then Spaceship landing by Kyuss (34:03)

shortest: False Grind Alienation by Insect Warfare (4 seconds)

longest: DFA Radio Mix 2005 CD 2 by James Murphy (1 hour, 10 mins and 5 seconds)

longest: Did he jump - Zounds - 8:16
shortest: Sex Scene #1 - Lupen Crook - 0:48

Longest: (31:32) All Apologies - Nirvana

Shortest: (00:04) Outro - Rilo Kiley

Shortest - Rilo Kiley - Outro - 4sec
Longest - Godspeed You! Black Emperor - Providence - 29min 2sec

longest : not counting mixtapes
Aimee Mann, Calling on mary 24:35

shortest : these new puritans 4 0:08

longest - deftones MX 37:18
shortest descendents all 0.03

Shortest - All of the first 11 tracks on 13 Blues for Thirteen Moons by Silver Mount Zion.

Longest - Mogai - Black Spider (though Providence is pretty close, my initial guess...)

when you actually buy records.

longest: (45:53) LCD Soundsystem 45:33
shortest: (0:04) A Silver Mt Zion - Track 4 on 13 blues...

Old Man Gloom - Zozobra (27:19)

MIxes dont count! or ones like MX by deftones as that is two tracks.

than my thread which was exactly the same.

Anyway

Shortest: Comma Comma Comma Full Stop by Brakes (0.07)

Longest is Pendulous Skin by Mastodon (22.16) but the longest song that's actually a proper song is Bel Air by Can (19.53).

Longest: Sister Ray - VU
Shortest: Riddlers Theme Tune

shortest: (0:05) track 4 The Polly Shang Kuan Band
Longest: (30:08) This Dust Makes That Mud, Liars