Dipsy Ha is a music composer, skilled in music arranging, is also a core member of the band SoundTube. Dipsy now teaches music at the Hong Kong College of Technology and The Open University of Hong Kong. He has gained song composing awards from various associations such as Renaissance Foundation, Hoi Kee Ho (Champion), HK we care (Second Runner-up), and PBZ Music (Champion). Dipsy has worked with artists including Joe Mok, Eman Lam, Alex Fung, Hacken Lee, Ivana Wong, Hins Cheung, Jan Lamb, Yu Yat-yiu, Dr. Lee Ka Yan, and Wai Yin. He also cooperates with other professional parties and artists. Dipsy took part in performances such as modern dance The Anatomy of Broken Things and Creative Sand Art Concert–The Spirit of Birds, movies including Speak Low (2017), Do I Remember You (2016), and Zero Acceleration (2015), working on movie music.