1. (4x03) Hot Hot Heat - Let Me In
2. (4x03) Alanis Morissette - Not As We
3. (4x04) All my life - DJ Harry
4. (4x05) The White Stripes - We're going to be friends
5. (4x06) My morning jacket - one big holiday
6. (4x06) Linda Lyndell - What a Man
7. (4x06) Lizz Wright - idolize you
8. (4x07) My Home Is Your Head - Joseph Arthur
9. (4x07) Verve - Slide away
10. (4x09) Nicotine Caffeine - Alan Milman Sect + Man-Ka-Zam
11. (4x09) Pussy Galore - Kicked Out
12. (4x09) Hugh Laurie piano composition
13. (4x09) Norman Greenbaum - Spirit In The Sky
14. (4x10) Frank Sinatra - Hark! The Herald Angels Sing
15. (4x10) Staple Singers - Who Took The Merry Out Of Christmas
16. (4x10) Felix Gross - Love for christmas
17. (4x10) Joy To The World
18. (4x10) The Twelve Days of Christmas
19. (4x10) Trim Your Tree
20. (4x10) The Little Drummer Boy - The Fab Four
21. (4x10) God Rest Ye Merry, Gentleman - Roy Hargrove
22. (4x10) God Rest Ye Merry, Gentlemen - Ramsey Lewis Trio
23. (4x10) Santa Claus Is Coming To Town - Ramsey Lewis Trio
24. (4x11) Let's Get It On - Marvin Gaye
25. (4x11) Human - Civil Twilight
26. (4x11) Awake - Mungal with Nitin Sawhney
27. (4x12) The Alter Rebbe's Nigun - Yehoshua Rochman
28. (4x12) Od Yishama - Shlomo Carlebach
29. (4x12) Jerry Weintraub - Waldeck
30. (4x12) Nani, Nani - Accentus Ensemble
31. (4x12) Eshet Chayil (The Hebrew prayer that the actor sings)
32. (4x12) Waiting on a Friend - Rolling Stones
33. (4x13) Sly & the family stone - everyday people
34. (4x13) Piano improv by Hugh Laurie
35. (4x13) Diana ross & the supremes - you keep me hangin' on
36. (4x14) The Beta Band - Needles in My Eyes
37. (4x15) U A Freak (Nasty Girl) - Chingy
38. (4x15) There's No Fucking Rules, Dude - !!!
39. (4x16) Jose Gonzalez - Teardrop
40. (4x16) Re Stacks - Bon Iver
41. (4x16) Light For The Deadvine - People In Planes
42. (4x16) Passing Afternoon - Iron & Wine