Harmony là trung tâm âm nhạc có 5 chương trình đào tạo: Guitar, Piano, Organ, Ukulele và Thanh nhạc dành cho trẻ em 5 tuổi đến người lớn.
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Các trang khác:
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Askmap: http://www.askmap.net/location/7610727/vietnam/harmony
Intensedebate: https://www.intensedebate.com/people/dayhocdan
Thefeedfeed: https://thefeedfeed.com/red-cabbage1145
Potofu: https://potofu.me/dayhocdan
Linktr.ee: https://linktr.ee/dayhocdanvn
Archdaily: https://my.archdaily.com/us/@dayhocdan
Camp-fire: https://camp-fire.jp/profile/dayhocdan
500px: https://500px.com/p/dayhocdanvn?view=photos
Chordie: https://www.chordie.com/forum/profile.php?id=2423539
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