Share: Title:Katy Perry "Firework" (Gerald Ko + Jason Chen cover) Duration: 4:26 Plays: 121K views Published: 13 years ago Download MP3 Download MP4 Simillar Videos ▶️ 4:41 "even The Raindrops" - Gerald Ko (original) 121K views • 11 years ago ▶️ 4:11 王力宏 - 依然愛你 Still In Love With You- Wang Lee Hom (cover By 高豪力 Feat 林威) 121K views • 12 years ago ▶️ 3:22 "我的歌聲裡"-曲婉婷 (you Exist In My Song - Wanting Qu) - 高豪力 (gerald Ko) 翻唱 121K views • 12 years ago ▶️ 4:03 Tong Hua (童話) Guang Liang (光良) Cover By Gerald Ko (高豪力) 121K views • 12 years ago ▶️ 4:05 Kimberley Chen 愛你 Ai Ni (gerald Ko Cover) 121K views • 11 years ago