weekly ratings, artist listings by week for the year 2009 via last.fm

music charts by month, 2009:
(top 10, weekly)
dec 29, 08 - jan 4, 09
1. sigur ros
2. pulp
3. massive attack
4. mgmt
5. no age
6. lightspeed champion
7. yeah yeah yeahs
8. interpol
9. frank sinatra
10. the fall

jan 5 - jan 11
1. sigur ros
2. the charlatans
3. babyshambles
4. pulp
5. friendly fires
6. mellowdrone
7. radiohead
8. lady sovereign
9. innerpartysystem
10. the ethiopians

jan 12 - jan 18
1. friendly fires
2. art brut
3. sigur ros
4. frank sinatra
5. the wurzels
6. massive attack
7. interpol
8. rush
9. dizzee rascal
10. semisonic

jan 19 - jan 25
1. the beatles
2. sigur ros
3. the welsh assembly
4. amy winehouse
5. M.I.A.
6. the darkness
7. sonic youth
8. the hives
9. collective soul
10. paul mccartney

jan 26 - feb 1
1. the beatles
2. kasabian
3. pulp
4. the streets
5. babyshambles
6. slade
7. red hot chili peppers
8. peaches
9. the welsh assembly
10. lcd soundsystem

band = collaboration
collaboration = shared ground
dictated parts =/ common ground
offered oppertunities = common ground
taking offers up = common ground

feb 2 - feb 8
1. the darkness
2. the wurzels
3. plan b
4. james
5. le tigre
6. sigur ros
7. friendly fires
8. bjork
9. the warlocks
10. spacehog

feb 9 - feb 15
1. the welsh assembly
2. james
3. shy child
4. M.I.A.
5. james blunt
6. the darkness
7. sigur ros
8. paul mccartney
9. brazilian girls
10. the wurzels

feb 16 - feb 22
1. the beatles
2. matt & kim
3. paul mccartney
4. sigur ros
5. the welsh assembly
6. elvis presley
7. the pogues
8. ringo starr
9. coldplay
10. sean lennon

feb 23 - march 1
1. sigur ros
2. paul mccartney
3. medeski, martin and wood
4. dido
5. lykke li
6. john frusciante
7. junior senior
8. the pogues
9. radiohead
10. french kicks

mar 2 - mar 8
1. sigur ros
2. counting crows
3. pink
4. lily allen
5. M.I.A.
6. beiruit
7. A. R. Rahman
8. modest mouse
9. lady gaga
10. keane

mar 9 - mar 15
1. sigur ros
2. sandeep sehbi
3. blink-18
4. coldplay
5. babyshambles
6. vivek mahajan
7. royksopp
8. the prodigy
9. telepopmusik
10. the specials

mar 16 - mar 22
1. sandeep sehbi
2. sigur ros
3. the blackburn collective
4. paul mccartney
5. snowden's silent canvas
6. kings of leon
7. anita herald
8. vivek mahajan
9. coldplay
10. the welsh assembly

mar 23 - mar 29
1. sandeep sehbi
2. sigur ros
3. snowden's silent canvas
4. spacehog
5. hot leg
6. joe strummer and the mescaleros
7. deganwy's lost son
8. the beatles
9. temple of the dog
10. john lennon

mar 30 - apr 5
1. sigur ros
2. blink-182
3. pete townshend
4. pink floyd
5. syd barrett
6. kings of leon
7. linkin park
8. randy newman
9. the welsh assembly
10. ramones

apr 6 - apr 12
1. sandeep sehbi
2. marianne faithfull
3. syd barrett
4. suede
5. jazzy b
6. graham coxon
7. the paddingtons
8. the libertines
9. dirty pretty things
10. peter doherty

apr 13 - 19
1. sigur ros
2. syd barrett
3. peter doherty
4. babyshambles
5. larrikin love
6. roses kings castles
7. the libertines
8. dirty pretty things
9. the paddingtons
10. the la's

apr 20 - 26
1. the beatles
2. manitoba
3. the holloways
4. the cribs
5. white lies
6. malcolm middleton
7. ballboy
8. arab strap
9. sandeep sehbi
10. hefner

apr 27 - may 3
1. the cribes
2. white lies
3. jrr tolkien
4. the holloways

may 4 - may 10

may 11 - 17
1. the welsh assembly
2. the blackburn collective

may 18 - may 24

may 25 - may 31
1. deganwy's lost son

jun 1 - jun 7
1. new young pony club
2. sigur ros
3. art brut
4. lightspeed champion
5. yeti
6. blink-182
7. massive attack
8. james blunt
9. muse
10. paul mccartney

jun 8 - 14
1. lightspeed champion
2. sigur ros
3. keane
4. the pogues
5. muse
6. jim sturgess
7. collective soul
8. the wurzels
9. aaron carter
10. broken social scene

jun 15 - 21
1. new young pony club
2. kasabian
3. sandeep sehbi
4. green day
5. kings of leon
6. creed
7. collective soul
8. the prodigy
9. yeah yeah yeahs
10. black eyed peas

jun 22 - 28
1. sigur ros
2. jonsi & alex
3. the jackson 5
4. paul mccartney
5. new young pony club
6. led zeppelin
7. easy star all-stars
8. interpol
9. michael jackson
10. bally sagoo

jun 29 - jul 5
1. sigur ros
2. radiohead
3. art brut
4. spacehog
5. semisonic
6. j.r.r. tolkien

jul 6 - jul 12
1. sigur ros
2. the beatles
3. kings of leon
4. the jackson 5
5. silverchair
6. michael penn
7. days of the new
8. ben folds five
9. joey deluxe
10. green day

jul 13 - 19
1. sigur ros
2. paul mccartney
3. metric
4. massive attack
5. the jackson 5
6. the beatles
7. spacehog
8. au revoir simone
9. led zeppelin
10. semisonic

jul 20 - 26
1. lykke li
2. sigur ros
3. paul mccartney
4. new young pony club
5. babyshambles
6. spacehog
7. elvis presley
8. st. vincent
9. the jackson 5
10. brian wilson*

jul 27 - aug 2
1. glasvegas
2. t. rex
3. sigur ros
4. the beatles
5. lykke li
6. dido
7. paul mccartney
8. florence + the machine
9. john lennon
10. bat for lashes

aug 3 - aug 9
1. starsailor
2. spacehog
3. new young pony club
4. the darkness
5. paul mccartney
6. lykke li
7. glasvegas
8. hot leg
9. radiohead
10. tony bennett*

aug 10 - aug 16
1. sigur ros
2. lykke li
3. israel kamakawiwo'ole
4. dido
5. james
6. new young pony club
7. ani difranco
8. fripp & eno
9. yeti
10. nirvana

aug 17 - aug 23
1. jonsi & alex
2. sigur ros
3. kt tunstall
4. talvin singh
5. coldplay
6. glasvegas
7. frightened rabbit
8. the courteneers
9. the stone roses
10. broder daniel

aug 24 - aug 30
1. sandeep sehbi
2. sigur ros
3. the beatles
4. kasabian
5. new young pony club
6. talvin singh
7. interpol
8. radiohead
9. jurassic 5
10. elvis presley

aug 31 - sept 6
1. imogen heap
2. sigur ros
3. the beatles
4. babyshambles
5. new young pony club
6. glasvegas
7. radiohead
8. kt tunstall
9. oasis
10. noel gallagher

sept 7 - sept 13
1. sigur ros
2. the cribs
3. the wombats
4. paul mccartney
5. brian wilson
6. the pigeon detectives
7. the new young pony club
8. M.I.A.
9. white lies
10. anita herald

sept 14 - sept 20
1. new buffalo
2. sigur ros
3. rolf harris
4. muse
5. amiina
6. volcano!
7. paul mccartney
8. miss li
9. white lies
10. morrissey

sept 21 - sept 27
1. the joy formidable
2. the beatles
3. sigur ros
4. miss li
5. the courteneers
6. dirty pretty things
7. rolf harris
8. the wombats
9. the darkness
10. imogen heap

sept 28 - oct 4
1. the joy formidable
2. rolf harris
3. the holloways
4. the courteeners
5. miss li
6. the cribs
7. twisted wheel

oct 5 - oct 11
1. sigur ros
2. the beatles
3. the joy formidable
4. paul mccartney
5. miss li
6. the wombats
7. the cribs
8. imogen heap
9. kings of leon
10. the young knives

oct 12 - oct 18
1. the beatles
2. the bees
3. new buffalo
4. broken social scene
5. interpol
6. the joy formidable
7. the walkmen
8. collective soul
9. semisonic
10. the mooney suzuki

oct 19 - oct 25
1. sigur ros
2. karen o and the kids
3. jarvis cocker
4. the joy formidable
5. casei de ser sexy
6. the jam
7. the beatles
8. the xx
9. monsters of folk
10. imogen heap

oct 26 - nov 1
1. paul mccartney
2. sigur ros
3. cansei de ser sexy
4. jarvis cocker
5. hockey
6. the zutons
7. the dead weather
8. the darkness
9. robert plant and the strange sensation
10. the holloways

nov 2 - nov 8
1. sigur ros
2. babyshambles
3. the joy formidable
4. the xx
5. the jam
6. jarvis cocker
7. cansei de ser sexy
8. the beatles
9. semisonic
10. noel gallagher

nov 9 - nov 15
1. ripchord
2. creed
3. rolf harris
4. coldplay
5. kate nash
6. the holloways
7. ringo starr
8. lily allen
9. the futureheads
10. monty pyton

nov 16 - nov 22
1. sigur ros
2. paul mccartney
3. ohbijou
4. dizzee rascal
5. cansei de ser sexy
6. new young pony club
7. sting
8. babyshambles
9. new buffalo
10. radiohead

nov 23 - nov 29
1. sting
2. sandeep sehbi
3. tegan and sara
4. the xx
5. dizzee rascal
6. the joy formidable
7. kings of leon
8. cansei de ser sexy
9. the cribs
10. the welsh assembly

nov 30 - dec 6
1. sting
2. sandeep sehbi
3. jonsi & alex
4. sigur ros
5. jarvis cocker
6. the welsh assembly
7. the xx
8. sleep whale
9. alpine
8. yarn:moor

dec 7 - dec 13
1. sting
2. karen o and the kids
3. weezer
4. the wrens
5. hockey

dec 14 - dec 20
1. jarvis cocker
2. sting
3. kings of leon
4. new young pony club
5. sigur ros
6. jonsi and alex
7. the joy formidable
8. imogen heap
9. television personalities
10. hockey