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1. Two People - Sung Si Kyung
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2. 희재 (HeeJae) - Sung Si Kyung
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3. The Solar System - Sung Si Kyung
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4. Two People - Sung Si Kyung
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5. Try To Remember - Sung Si Kyung
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6. Annyeong - Sung Si Kyung
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7. Otton Gurium (Some Yearning) - Sung Si Kyung
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8. You Are My Spring - Sung Si Kyung
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9. Joeult'ende - Sung Si Kyung
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10. Ajig Nan - Sung Si Kyung
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11. Doing Alright - Sung Si Kyung
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12. Keureeoom - Sung Si Kyung
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13. Everyday Birthday - Sung Si Kyung
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14. Naege Oneun Keel - Sung Si Kyung
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15. Cheot Noone Panhada - Sung Si Kyung
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16. K'eojyeo Peoreen Sarang - Sung Si Kyung
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17. Swieoyo - Sung Si Kyung
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18. Mari Iyagi - Sung Si Kyung
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19. Youya (Hey Fox) - Sung Si Kyung
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20. Saranghal Ttaen Mollattteon Geottteul - Sung Si Kyung
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21. Kongkkakji - Sung Si Kyung
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22. Meesocheonsa - Sung Si Kyung
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23. First Date - Sung Si Kyung
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24. Seoneenjang - Sung Si Kyung
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25. P'o-oong - Sung Si Kyung
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26. If You're With Me - Sung Si Kyung
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27. Winter Wonderland - Sung Si Kyung
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28. Popcorn - Sung Si Kyung
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29. Amugodo Anin Iyagi - Sung Si Kyung
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30. Naeane Keunyeo - Sung Si Kyung
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31. Wewo Duseyo - Sung Si Kyung
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32. Geori-eseo - Sung Si Kyung
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33. Happy Birthday To You - Sung Si Kyung
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34. Chama - Sung Si Kyung
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35. Jonyognol - Sung Si Kyung
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36. Lovesick - Sung Si Kyung
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37. Paraem - Sung Si Kyung
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38. Baram, Geudae - Sung Si Kyung
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39. Eechyeojeeneun keotdeure taehayeo - Sung Si Kyung
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40. Moji Anha Naege (with Camilla) - Sung Si Kyung
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41. Jo Hanul Golgo - Sung Si Kyung
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42. Komaweo - Sung Si Kyung
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43. The Things To Do Tomorrow - Sung Si Kyung
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44. For U - Sung Si Kyung
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45. Fondly, Goodbye - Sung Si Kyung
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46. Sonyo (Girl) - Sung Si Kyung
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47. Saranghaeseo Seulp'eun Nal - Sung Si Kyung
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48. Leaning On You - Sung Si Kyung
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49. Nal Wihan Ibyol (Farewell for Me) - Sung Si Kyung
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50. The Road To Me - Sung Si Kyung
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51. Eereok'erado - Sung Si Kyung
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52. Sobaghedon Hengboghedon... - Sung Si Kyung
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53. Ooreen Jebeop Jal Eo-oollyeoyo - Sung Si Kyung
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54. Kiss Halkayo - Sung Si Kyung
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55. Forever With You - Sung Si Kyung
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56. Huhwehaji marayo - Sung Si Kyung
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57. Suyoiren Ppalgan Jangmirul (With a Red Rose on Wednesday) - Sung Si Kyung
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58. Geuri-un Naren - Sung Si Kyung
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59. To You - Sung Si Kyung
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60. Do Not Forget (feat.Kwon Jin Ah) - Sung Si Kyung
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61. Geu Gireul Geotttaga - Sung Si Kyung
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62. Neon Kamdongee-eosseo - Sung Si Kyung
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63. Shi Weol Eui Noon Ee Nae Ri Myon - Sung Si Kyung
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64. Keu rae doh... choh ah - Sung Si Kyung
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65. Three People(세 사람) - Sung Si Kyung
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66. Lately - Sung Si Kyung
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67. Analogue - Sung Si Kyung
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68. Gude Changgaro Nunbushin Achim (with Park Hakgi) - Sung Si Kyung
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69. Gudae Changgaro Nunbushin Achimi (Radiant Morning at Your Window) - Sung Si Kyung
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70. Naui Wiroumi Norul Burulddae (When My Loneliness Calls You) - Sung Si Kyung
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71. Tusaram - Sung Si Kyung
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72. Hije - Sung Si Kyung
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73. Gudae Naemame Duro Omyon (If You Come Into My Heart) - Sung Si Kyung
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74. Hachimitsu - Sung Si Kyung
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75. Sarangee Pyeonhanayo - Sung Si Kyung
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76. Eelhaknyeon eeban (feat. Kim Jin Pyo) - Sung Si Kyung
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77. Nega Mwo Gurohjyo - Sung Si Kyung
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78. Gunarihu - Sung Si Kyung
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79. Tangshinegen teukbyeolhan mweongaga isseoyo - Sung Si Kyung
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80. Love Letter - Sung Si Kyung
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81. Cheoeumcheoreom - Sung Si Kyung
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82. HyeHwaDong (HyeHwa Town) - Sung Si Kyung
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83. Donghwa - Sung Si Kyung
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84. Tashee sheejeek'aedo twaelkkayo - Sung Si Kyung
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85. Sweet Dream - Sung Si Kyung
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86. Jalmoth (with Park Jiyoon) - Sung Si Kyung
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87. Every Moment Of You - Sung Si Kyung
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88. Hyanggiroun Chuok (Aromatic Memory) - Sung Si Kyung
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89. Back At One - Sung Si Kyung
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90. Paborajyo - Sung Si Kyung
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91. Noonmoolp'yeonjee - Sung Si Kyung
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92. He-eojeedeon Nal - Sung Si Kyung
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93. Byori Jindane (Stars are Falling) - Sung Si Kyung
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94. Naega Neoe Kyeot'e Jamshee Sarattdaneun Keol - Sung Si Kyung
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95. Gobege Nal - Sung Si Kyung
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96. Noui Dwieso (Behind You) - Sung Si Kyung
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97. Eoneu heurinnarui haengbok - Sung Si Kyung
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98. Jal jeenaeyo - Sung Si Kyung
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99. Mothalgoya - Sung Si Kyung
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100. Sarangeegettjyo (Duet with Kim Jo Han) - Sung Si Kyung
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101. Show Me Your Love - Sung Si Kyung
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102. Eoneu Meotjeen Nal - Sung Si Kyung
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103. Jejudoui Ppurunbam (Blue Night in Jeju Island) - Sung Si Kyung
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104. And We Go - Sung Si Kyung
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105. The Solar System (태양계) - Sung Si Kyung
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106. Gu Appumkkaji Saranghangoya (I Loved Even Your Pain) - Sung Si Kyung
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107. Have Yourself a Merry Little Christmas - Sung Si Kyung
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108. Baby It's Cold Outside - Sung Si Kyung
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109. Chookbok - Sung Si Kyung
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110. Love Letter - Sung Si Kyung
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111. Show Me Your Love - Sung Si Kyung
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112. Have Yourself A Merry Little Christmas - Sung Si Kyung
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113. To You - Sung Si Kyung
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114. Try To Remember - Sung Si Kyung
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115. Happy Birthday To You - Sung Si Kyung
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116. Baby It’s Cold Outside - Sung Si Kyung
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117. If You're With Me - Sung Si Kyung
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118. Sweet Dream - Sung Si Kyung
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119. hachimitsu - Sung Si Kyung
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120. Popcorn - Sung Si Kyung
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121. Winter Wonderland - Sung Si Kyung
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122. Leaning On You - Sung Si Kyung
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123. First Date - Sung Si Kyung
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124. Lately - Sung Si Kyung
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125. Back At One - Sung Si Kyung
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126. Seulp'eumee Seulp'eumeul - Sung Si Kyung
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127. Annyeong - Sung Si Kyung
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128. For U - Sung Si Kyung
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129. Forever With You - Sung Si Kyung
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130. Chama - Sung Si Kyung
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131. Lovesick (아픈 나를) - Sung Si Kyung
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132. If You're With Me - Sung Si Kyung