Song from Jim and Pam Season 3 Promo:
Stars by Lamar - download here.
Theme song:
The Office Theme by The Scrantones - Scrantones Myspace
Sheet music (Thanks to rohfan):

Full size image here.
S01E01 The pilot/American Workplace:
Dwight sings Little Drummer boy with exaggerated percussion
S02E01 The dundies:
Michael sings (with alternate lyrics):
Mambo #5 by Lou Bega
OPP by Naughty by Nature
Tiny Dancer by Elton John
You Sexy Thing by Hot Chocolate
The Time of My Life by Bill Medley
S02E04 The Fire:
Dwight listens to Everybody Hurts by REM in his car
Michael\'s Ringtone is Mambo #5 by Lou Bega
Dwight Sings (with alternate lyrics):
We didn\'t start the Fire by Billy Joel
S02E07 The Client:
Jim and Pam listen to Sing by Travis on the Ipod together
Use It by The New Pornographers is heard in the Chilis
S02E08 Performance review:
Dwight listens to Wild Side by Motley Crue in the Stairwell
S02E09 E-mail Surveillance:
The Skin of my Country Yellow Teeth by Clap your hands say yeah is playing in the background when Jim and Angela are talking outside
Side By Travis is heard when Pam and Phyllis are talking about secret romances
Phyllis sings Here I go again by Whitesnake
Kevin Sings I will Survive by Gloria Gaynor
Jim and Michael sing Islands in the Stream by Kenny Rogers and Dolly Parton
S02E10 Christmas party:
Christmas in Hollis by Run DMC is heard during the party
S02E11 Booze Cruise:
Michael Dances to a instrumental of Get Busy by Sean Paul
Dwight sings Drunken Sailor an old sea shanty on the deck of the boat
S02E13 The Secret:
Michael sings 1 line from Our Lips are Sealed by the Go Go\'s (but he says The Bengals)
Tempted by Squeeze can be heard in Hooters
S02E15 Boys and Girls:
As the \'boys\' are coming into the warehouse, Southern Takeover by Chamillionaire can be heard playing
S02E16 Valentines Day
Michaels presentation has With or without you by U2 playing in the background
S02E17 Dwights speech:
Get Ready for This by 2 Unlimited plays when Michael and Dwight enter the auditorium
S02E18 Bring your Daughter to work day:
Dwight plays Greensleeves on his recorder... a traditional balad about the beheaded Ann Boleyn
Michael and Dwight sing Teach your children by Crosby, Stills Nash and Young
S02E19 Michaels Birthday:
Dwight Plays For the Longest Time by Billy Joel on his Recorder
S02E22 Casino Night:
Kevin is seen drumming and singing Please dont stand so close to me by The Police
S03E02 The Convention:
My Humps by Black Eyed Peas is Michaels ringtone
Michaels party in 308 has Girls Gone Wild by Captain Ahab playing in the background
S03E04 Grief Counseling:
Dwight (with Pam singing) plays On the wings of love by Jeffery Osborne
S03E05 The Initiation:
Dwight is playing River Runs Red by Life of Agony in his Car with Ryan
Jim (and Andy) sing Lovefool by The Cardigans
Michael dances to Rock and Roll Part II by Gary Glitter
O Fortuna from Carmina Burana is heard in the background in the barn with Ryan, Dwight and Mose
S03E06 Diwali:
Crazy in Love by Beyonce is heard during the party
Andy and Jim sing Closer to Fine by The Indigo Girls
Michael sings a cover (with different lyrics) of The Chanukah Song by Adam Sandler
S03E07 Branch Closing:
Michael sings Angel of the Morning by Merrilee Rush to Jan
S03E08 The Merger:
Andy and Michael sing What is love by Haddaway during the orientation
S03E09 The Convict:
Andy serenades pam with Rainbow Connection (partly in pig-latin) by Paul Williams and Kenneth Ascher for Kermit the Frog.
S03E10 A Benihana Christmas:
Michael sings Deck the halls while coming into work
Michael sings the chorus to Two tickets to Paradise by Eddie Money
Michael listens to and sings along with Goodbye my Lover by James Blunt
Kevin sings You oughta know by Alanis Morissette
Dance of the Sugar-Plum Fairy from The Nutcracker by Peter Ilyich Tchaikovsky is heard during Angela\'s mee... party.
Michael and Andy sing Your body is a Wonderland by John Mayer
Kelly sings We belong by Pat Benatar
Creed sings Spinnin\' and Reelin\' by (who else?) Creed Bratton of The Grass Roots
Dwight sings Lady by Styx
Angela sings Little Drummer boy
S03E11 Back From Vacation:
Steve (and Andy) sing/play snippets from Hot Hot Hot by Arrow
“Banana Boat Song” - Sung by Michael in the car in a deleted scene.
S03E12 Traveling Salesmen:
Dwight listens to Kickstart My Heart by Motley Crue in the Car before he and Jim go on a sales call
Andy sings the Oopmpa Loompa song from the Willy Wonka and the Chocolate Factory movie with altered lyrics celebrating the demise of Dwight
S03E13 The Return:
Andy sings all 4 parts to Rockin\' Robin by Bobby Day as his new Ringtone
Andy sings Bennie and the Jets by Elton John with altered lyrics (Andy and the Tuna)
Andy sings Zombie by The Cranberries at his desk
Staples is playing Up where we belong by Joe Cocker and Jennifer Warnes during Michaels supplication
“La Cucaracha” - Played in the background during Oscar’s return party.
S03E14 Ben Franklin
My Humps - Blackeyed Peas (when Michael's phone rings)
“No Secrets” by No Secrets - The opening lines are quoted by the stripper when she is giving advice to Michael.
Feel Like Makin' Love - Bad Company (stripper song)
S03E15 Phyllis Wedding
“Berceuse in D-flat, Op. 57″ by Frederic Chopin - Played as the guests are seated.
“Bridal Chorus” (from Lohengrin) by Richard Wagner - Played when Phyllis walks down the aisle.
“Wedding March” (from A Midsummer Night’s Dream) by Felix Mendelssohn - Played after Bob and Phyllis take their vows.
A series of songs by The Police are played by Scrantonicity when Kevin on drums/vocals:
- “Roxanne”
- “Message in a Bottle”
- “Every Breath You Take” - As Pam and Roy leave.
- “Every Little Thing She Does is Magic - Sung by Karen.
- “Fields of Gold” by Sting - When Jim and Karen dance.
S03E16 Business School
“Brandenburg Concerto No. 2 in F Major, BMV 1047″ by Johann Sebastian Bach - Played by Michael for his entrance.
S03E17 Cocktails
Cocktails known:
My Humps (Michael\'s ring tone)
Play That Funky Music: Wild Cherry (entering Poor Richards)
Carry On Wayward Son: Kansas (Pam and Roy break up)
Cocktails unknown:S03E18 The Negotiation
Roy and Kenny arrive at Poor Richards
Pam orders light beer
Up Jenkins
Creed\'s TH about the laminating machine
Toby gives Pam the stuffed duck
miscellaneous jazz music playing at David Wallace\'s house
? by ? - Playing on Darryl’s radio, with Michael and Toby in tow.
S03E19 Safety Training
S03E20 Product Recall
“Hollaback Girl” by Gwen Stefani - Kelly sings the B-A-N-A-N-A-S section.
“Drift Away” by Dobie Gray - Andy sings it a capella for Jim in the car.
“The Lion Sleeps Tonight” by The Tokens - Jim starts singing and Andy joins in.
S03E21 Womens Appreciation
S03E22 Beach Games
“The Gambler” by Kenny Rogers - Sung by everyone on the bus ride to Lake Scranton.
“Meet the Flintstones” - Sung, during the credits, on the bus to Lake Scranton.
S03E23 The Job
“Kind & Generous” by Natalie Merchant - Michael’s farewell song.
