f(x)

1 - Hot Summer

2 - Electric Shock

3 - ? ??? (Rum Pum Pum Pum)

4 - 4 Walls

5 - Red Light

6 - ?? (Butterfly)

7 - Hard But Easy

8 - Just a feeling

9 - Ti�n Mi Mi

10 - �Is It OK?

11 - Dangerous

12 - Wave

13 - ?? (???: Shadow)

14 - Sweet Witches

15 - Gangsta Boy

16 - It's Me

17 - Calling Out

18 - ??? (Vacance)

19 - ??? (Jet)

20 - Summer Lover

21 - ??? (Spit It Out)

22 - Diamond

23 - Surprise Party

24 - Cash Me Out

25 - La ChA Ta

26 - When I'm Alone

27 - Puzzle Bubble

28 - You're My Destiny

29 - 1, 2, 3

30 - Beautiful Goodbye

31 - Sorry (Dear Daddy)

32 - Step

33 - So Into U

34 - Deja Vu

35 - Glitter

36 - Snapshot

37 - Beautiful Stranger

38 - Boom Bang Boom

39 - Toy

40 - All Mine

41 - Airplane

42 - 4 Walls (Japanese Version)

43 - Mr. Boogie

44 - Papi

45 - Milk

46 - ?? (Love)

47 - Spread Its Wings

48 - Goodbye Summer (feat. D.O)

49 - Step By Me

50 - Traveler (feat. Zico)

51 - Let's Try

52 - Me+U

53 - COWBOY

54 - Thrill Love

55 - NU ABO

56 - Chocolate Love

57 - Errand

58 - Hot Summer (Japanese)

59 - Chu~

60 - Kick

61 - Lollipop (feat. SHINee)

62 - Dracula

63 - Rude Love

64 - All Night

65 - Pinocchio (Danger)

66 - ??? (Signal)

67 - ?? ?? (Paper Heart)

68 - ?? ?? ? ?? (No More)

69 - Stand Up !

70 - Ending Page

71 - X

72 - Love Hate

73 - Wish List (12? 25?)

74 - Ice Cream

75 - My Style

76 - Zig Zag

77 - ??? (Rainbow)

78 - Heartbeat

79 - Pretty Girl

80 - I Love You, I Love You