i.e over the standard single length of 4 minutes.

Kanye West - Monster
Madonna - Frozen
Girls Aloud - Untouchable

If you ask me, that is one hell of a trio. Add to that Rihanna - Cold Case Love. What are some of your favourite 'long songs'?

Listen to Pink Floyd if you want long songs.

Rather cheesy I suppose, but 'MacArthur Park' is over 7 minutes long. Quite a feat to wallop so much onto a standard 45rpm single!

The Wine Song - The Cat Empire

http://www.youtube.com/watch?v=hgkHd6eBfoE

Brilliant song live as well. The entire crowd sways and claps for the verses, and bounces for the chorus.

Desolation Row by Bob Dylan.

Some of my longer favourites...

I Feel Love (8:13) - Donna Summer
Stairway To Heaven (8:02) / Kashmir (8:33) - Led Zeppelin
You Can't Always Get What You Want (7:33) - Rolling Stones
Champagne Supernova (7:28) - Oasis
Blue Monday (7:26) - New Order
Knocked Up (7:10) - Kings Of Leon
Layla (7:04) - Derek & The Dominoes
Hallelujah (6:53) - Jeff Buckley
How Soon Is Now (6:42) - The Smiths
Hotel California (6:32) - The Eagles
Silvia (6:26) - Miike Snow
Summer Breeze (6:17) - Isley Brothers
Like A Rolling Stone (6:10) - Bob Dylan
Motorcycle Emptiness (6:08) - Manic Street Preachers
Hymns & Arias (9:48) - Max Boyce (I'm sorry, I'm Welsh...)

LOL yeah the rock/prog bands are the ones for epic long songs.

Rush have a whole collection of epic long songs!

Girls Aloud - Untouchable (6.41)
Rihanna - Cold Case Love (6.05)

I'd argue that the minimum length for a 'long' song is about 7 minutes, but you can sometimes make a case for 6 depending on the song.

My favourite Pink Floyd album, 'Animals' has just five tracks, with the three main ones being over 10 minutes long (Dogs being the longest at 17 minutes). 'Echoes' from the album Meddle is also 23 minutes long.

Other favourites include:
'2112' by Rush (20:52)
'Rime of the Ancient Mariner' (13:39), 'Seventh Son of a Seventh Son' (9:58), 'Hallowed Be Thy Name' (7:10) and 'When the Wild Wind Blows' (11:02) by Iron Maiden
'Citizen Erased' by Muse (7:19)
'I Want You (She's So Heavy' by The Beatles (7:47)

Surprised there's been no mention of Bohemian Rhapsody yet.

I have a long song playlist I used to listen to while doing homework so I didn't have to change the song too often Anything over 6 minutes for me is what I'd consider long(er than normal, anyway).

My favourites:
Monster - Kanye West (6:19)
Teqkilla - M.I.A. (6:20)
Untouchable - Girls Aloud (6:43)
House of Balloons / Glass Table Girls - The Weeknd (6:52)
Come Together - Annie (7:50)
Pyramids - Frank Ocean (9:57)

Genesis - Supper's Ready comes in at over 20 minutes. One of my favourites.

Echoes - Pink Floyd, 23 minutes (IIRC)

And the grandaddy of all long tracks, the much maligned Tales From Topographic Oceans by Yes has four tracks one on each side of the original vinyl.

Although I suppose Thick As A Brick by Jethro Tull has one track, stretching across both sides of the original vinyl, totalling something in excess of 40 minutes.

I would go with many of the ones already suggested here, especially by the likes of Maiden & Pink Floyd, but here are a few more of my own....

Black Rose Immortal - Opeth (20:14)
Ricochet, Part II - Tangerine Dream (21:12)
Lateralus - Tool (9:24)
Pushit - Tool (9:55)
Ghost Love Score - Nightwish (10:02)
The Incident - Porcupine Tree (55:15)*

*The Incident is split in to 14 parts but it is intended to be listened to as a single piece.

The End by The Doors. Around eleven minutes.

Rihanna - Cold Case Love
Madonna - Frozen, Waiting, Words, Don't cry for me argentina, She's not me, Incredible, Like a prayer, Lucky star, Holiday, Physical attraction, Skin, Live to tell, I want you,
Bob Marley - No woman no cry
Celine dion - It's all coming back to me
Bonnie tyler - Total eclipse
Eminem - Stan, Beautiful
Girls Aloud - Untouchable
Joss Stone - Teardrops
Marina - Fear and loathing
TLC - I'm good at being bad, Baby Baby Baby

Untouchable (original not radio edit) - Girls Aloud
Frozen, Like A Prayer - Madonna
Simulation - Roisin Murphy
Stuck On Repeat (original not album version) - Little Boots
Shake - Little Boots

Quite right.

I would add, though, there there are many gems out there waiting to be discovered. Just a handful of which are listed below -

Chain Lightning - Don McLean
- Arguably better than American Pie.

Nights In White Satin (album version) - Moody Blues
- Poetic brilliance.

Love Lies Bleeding - Elton John
- From when he and Taupin ruled the music world.

Total Control - The Motels
- Lost 80's classic

The Holy River - Prince
- Up there with Purple Rain

India/ Mountain Time - Joe Bonamassa
- As good as anything Clapton did.

All Along The Watchtower - Jeff Healey Band
- Bluesy version from freebie CD is better than Hendrix.

Ordinary People - Neil Young
- Sprawling, but brilliant.

Creedence Clearwater Reviival - I Heard It Through The Grapevine
- Just give it a try, you won't regret it.

Tori Amos - Doughnut Song.

In the old days The House on the Rising Sun by the Animals was considered "long". But def one fav of mine

Definitely Fools Gold - The Stone Roses, nearly 10 mins long, fantastic song (9.55)
Also Disintegration - The Cure (8.25) amazing and The Same Deep Water As You (9.22)

Barbarism Begins At Home - The Smiths (6.57)
Breaking Into Heaven -The Stone Roses (7.00)
I Am The Resurrection - Stone Roses (8.14)
Master Of Puppets - Metalllica (8.37)

Brownsville Girl or Visions Of Johanna beat Desolation Row

April - Deep Purple
Child in Time - Deep Purple
I'm going home - Ten Years After
Spoonful - Cream
In a gadda da vida - Iron Butterfly

Prince - Purple Rain
Eminem - Stan

Neil Young - Down By The River