現為香港演藝學院西洋敲擊樂導師及敲擊樂合奏團指導。1996 年以優異成績畢業於香港演藝學院，主修西洋敲擊樂，師承龍向榮博士。同年考獲馬會獎學金，遠赴英國皇家北方音樂學院深造。 曾於多個職業樂團擔任客席定音鼓手及敲擊樂手。當中包括香港管弦樂團、香港小交響樂團、澳門及廣州交響樂團等。同時擔任多個音樂劇的爵士鼓手，如 Cats、頂頭槌等。更多次被邀請於世界各地演奏定音鼓及敲擊樂協奏曲，包括澳洲悉尼歌劇院、北京、新加坡、韓國等地。 蔡氏亦曾擔任英國倫敦聖三一音樂學院爵士鼓考試之香港區顧問，及 Zildjian 銅鈸、拉丁敲擊樂器、Elite 琴棍及鼓棍之代言人，Elite 琴棍及鼓棍更為他設計了一系列以他命名的 Signature 定音鼓棍！

Choy Lap-tak is currently a tutor in Western Percussion and adviser to the Academy Percussion Ensemble at The Hong Kong Academy for Performing Arts. He graduated from the Academy in 1996 with Distinction, majoring in Western Percussion under Dr Lung Heung-wing. He was awarded a Jockey Club scholarship the same year to further his studies at the Royal Northern College of Music in the UK. Choy has been a guest timpani player and percussionist with many professional orchestras such as the Hong Kong Philharmonic Orchestra, the Hong Kong Sinfonietta, the Macao Orchestra and the Guangzhou Symphony Orchestra. Concurrently, he was the drum kit player in several musicals, including Cats and Field of Dreams – A Musical and more. He was also engaged to perform timpani and percussion concertos in concerts around the world, having appeared in the Sydney Opera House and venues in Beijing, Singapore and South Korea. Choy was the Hong Kong Consultant in Drum Kit for grade examinations of the Trinity College London and Guildhall School of Music and Drama of the UK. He is also the endorser of Zildjian Cymbal, Latin Percussion and Elite Mallets, the last of which has even developed his signature series of timpani mallets.