Haven't seen a music survey in a while, so how about it?  I left off the 1950s and earlier, so feel free to add it in if you like.  And for those who don't like any certain decades, feel free to leave them off your list :)

Your Favourite Song ...
1960s:
1970s:
1980s:
1990s:
2000s:

Your Favourite Album ...
1960s:
1970s:
1980s:
1990s:
2000s:

Your Favourite Singer/Solo Artist ...
1960s:
1970s:
1980s:
1990s:
2000s:

Your Favourite Band/Group or Duo ...
1960s:
1970s:
1980s:
1990s:
2000s:

Your Least Favourite Song ...
1960s:
1970s:
1980s:
1990s:
2000s:

Your Favourite Song ...
1960s: To Sir With Love by Lulu/Michelle by the Beatles/Hey Joe by Jimi Hendrix
1970s: The Slider by T. Rex/Don't Leave Me This Way by Thelma Houston/Rubberband Man by the Spinners
1980s: Say, Say, Say by Michael Jackson and Paul Mccartney/Borderline by Madonna/Reflex by Duran Duran
1990s: Crush by Dave Matthews Band/Nothing Compares 2 U by Sinead O'Connor/You Oughta Know by Alanis Morrissette
2000s: Fix You by Coldplay/ F*ck Me Pumps by Amy Winehouse/Around the World by Nikka Costa

Your Favourite Album ...
1960s: Rubber Soul by the Beatles
1970s: Electric Warrior by T.Rex/
1980s: Like A Prayer by Madonna/Thriller by M. Jackson/Purple Rain by Prince
1990s: Jagged Little Pill by Alanis Morrissette
2000s: Everyone Got Their Something by Nikka Costa

Your Favourite Singer/Solo Artist ...
1960s: Aretha Franklin
1980s: Prince/Madonna/Michael Jackson
1990s: Alanis Morrissette/Mariah Carey
2000s: Nikka Costa/Beyonce

Your Favourite Band/Group or Duo ...
1960s: The Beatles
1970s: T. Rex
1980s: The Go-Gos
1990s: Dave Matthews Band
2000s:

Your Least Favourite Song ...
1960s: "I Wanna Hold Your Hand" by the Beatles
1970s: "YMCA" by the Village People
1980s: "Into the Groove" by Madonna
1990s: Pretty much most of the second half of the 90s, lol
2000s: "It Doesn't Matter" by Akon

Your Favourite Song ...
1960s: 'Pied Piper' - Crispian St. Peters
1970s: 'Could You Ever Love Me Agan' - Gary and Dave
1980s: 'Close My Eyes' - Paul Janz
1990s: 'Runaway' - E'voke
2000s: 'Pretty Green Eyes' - Ultrabeat

Your Favourite Album ...
1960s: can't choose
1970s: Flying Colors - Trooper
1980s: Fantastic - Wham!
1990s: D:Ream on Vol. 1 - D:Ream
2000s: Borrowed Heaven - The Corrs

Your Favourite Singer/Solo Artist ...
1960s: Cliff Richard
1970s: Terry and Susan Jacks
1980s: Paul Janz
1990s: Colin James / Jude Cole / Paul Janz
2000s: Gwen Stefani / Kelly Llorenna

Your Favourite Band/Group or Duo ...
1960s: can't choose
1970s: Wednesday
1980s: ABC
1990s: Saint Etienne
2000s: Manic Street Preachers

Your Least Favourite Song ...
1960s: can't choose.  there's not many i hate
1970s: 'Don't Hold Back' - Chanson
1980s: 'Kiss' - Prince
1990s: I didn't really hate any song of the music I liked, so i'll say anything filed under gangsta rap
2000s: (of music that I like) 'Jacques Your Body' - Les Rhytmes Digitales

Your Favourite Song ...
1960s: Epitaph...King Crimson
1970s: Pirates...Emerson Lake & Palmer
1980s: Beds Are Burning...Midnight Oil
1990s: Daddy...Emerson Lake & Palmer
2000s: Closer...Lacuna Coil

Your Favourite Album ...
1960s: In The Court Of The Crimson King...King Crimson
1970s: Tarkus...Emerson Lake & Palmer
1980s: English Settlement...XTC
1990s: In The Hot Seat...Emerson Lake & Palmer
2000s: Karmacode...Lacuna Coil

Your Favourite Singer/Solo Artist ...
1960s: Bob Dylan
1970s: Neil Young
1980s:Greg Lake
1990s: Stanley Jordan
2000s:

Your Favourite Band/Group or Duo ...
1960s: King Crimson
1970s: Emerson Lake & Palmer
1980s: XTC
1990s: Stanley Jordan
2000s: Lacuna Coil, Epica, Elis, Within Temptation, too hard to choose one.

Your Least Favourite Song ...
1960s:
1970s: Rock And Roll Part 2...Gary Glitter and all of disco
1980s: John Cougar
1990s:
2000s:

Your Favourite Song ...
1950s: "Earth Angel" - The Penguins
1960s: "Dancing in the Street" - Martha & the Vandellas
1970s: "Let's Get It On" - Marvin Gaye
1980s: "Billie Jean" - Michael Jackson
1990s: "Under The Bridge" - Red Hot Chili Peppers
2000s: "My Happiness" - Powderfinger

Your Favourite Album ...
1950s: Elvis Presley - Elvis Presley
1960s: Help! - The Beatles
1970s: Songs in the Key of Life - Stevie Wonder
1980s: Sign 'O' The Times - Prince
1990s: Dangerous - Michael Jackson
2000s: Oddysey Number Five - Powderfinger

Your Favourite Singer/Solo Artist ...
1950s: Elvis Presley
1960s: Marvin Gaye
1970s: Stevie Wonder
1980s: Prince
1990s: Michael Jackson
2000s: Darren Hayes

Your Favourite Band/Group or Duo ...
1950s: The Platters
1960s: The Beatles
1970s: The Jackson Five
1980s: umm
1990s: Red Hot Chili Peppers
2000s: Powderfinger/Silverchair

Your Least Favourite Song ...
1950s: "How Much Is That Doggie In The Window?" - Patti Page
1960s: "Yellow Submarine" - The Beatles
1970s: "Stairway to Heaven" - Led Zeppelin
1980s: "Like a Virgin" - Madonna
1990s: "Smells Like Teen Spirit" - Nirvana
2000s: "Girlfriend" - Avril Lavigne

Your Favourite Song ...
1960s: "The Court Of The Crimson King" - King Crimson
1970s: "Wish You Were Here" - Pink Floyd
1980s: "Don't Dream It's Over" - Crowded House
1990s: "Twice as Hard" - The Black Crowes
2000s: "The Shining" - Badly Drawn Boy

Your Favourite Album ...
1960s: "Are You Experienced?" - Jimi Hendrix
1970s: "Wish You Were Here" - Pink Floyd
1980s: "Temple Of Low Men" - Crowded House
1990s: "Shake Your Money Maker" - The Black Crowes
2000s: "On An Island" - David Gilmour

Your Favourite Singer/Solo Artist ...
1960s: Bob Dylan
1970s: Eric Clapton
1980s: Tom Petty
1990s: Ben Harper
2000s:

Your Favourite Band/Group or Duo ...
1960s: The Doors
1970s: Pink Floyd
1980s: Crowded House
1990s: Soundgarden
2000s: Queens of the Stone Age

Your Least Favourite Song ... (of music that I like)
1960s: "Yellow Submarine" - The Beatles
1970s: "Band on the Run" - Paul McCartney & Wings
1980s: "Roxanne" - The Police
1990s: "Shiny Happy People" - REM
2000s: "Vertigo" - U2

i tried to fill this out, but it was just too impossible  :-\\....