張家誠 (Alan Ka-Shing Cheung) 是香港著名的流行曲及廣告音樂監製、編曲及作曲家。英國碩士畢業後，張加入香港的音樂創作及制作行業，至今發表的流行曲作品約100首，其中燴炙人口的得獎/冠軍作品包括：《紅綠燈》(鄭融) 、《仍然》《龐貝21世紀》(關心妍)、《下次下次》(薜凱琪)、《心照》(劉德華)、《貪嗔癡》(容祖兒)、《其實我不快樂》(鍾嘉欣)、《氫氣球》(蔡卓妍)、《知己》(許廷鏗、吳若希)等。

張的音樂著重畫面和感覺，強調旋律性和音樂感，他經常為不同歌手度身訂造歌曲，以發揮每位歌手獨特之處。張的作品以抒情歌曲為主，亦喜愛創作搖滾、舞曲及R&B等類型。他從小喜歡聽不同國家和風格的音樂，其作品亦經常帶點英國、日本、美國和台灣音樂的味道。

Alan Ka-Shing Cheung (張家誠) is a reputable producer, arranger and composer of popular music and commercial jingles. After his graduation in master degree in the United Kingdom, he joined the music composing and production industry and has published around 100 songs since then. Some of his most commercially successful, award-winning and chart-topping songs includes Stephanie Cheng’s “Traffic Light”, Jade Kwan’s “Still”, “Pompeii in 21st Century”, Fiona Sit’s “Next Time”, Andy Lau’s “Consensus”, Joey Yung’s “Greed, Hatred and Ignorance”, Linda Chung’s “I am not Happy”, Charlene Choi’s “Helium Balloon”, Alfred Hui and Jinny Ng’s “Friends”, etc.

Alan emphasises graphical and emotional elements in his music and his works are highly melodic and musical. He loves tailor-making songs for singers in order to exploit their unique characters. Apart from his most famous ballads, he also writes songs of the rock, dance and R&B genres. His songs usually explicit some flavours from England, Japan, US and Taiwan as a result of his listening to songs from different countries in his early ages.