The Stay Up 許懷欣 

 Ryan Hui was born and raised in Hong Kong until the age of 14 when he left for the US to attend high school and university in San Diego, California. While living in San Diego, Ryan played with various local artists and formed the punk-rock band One Foot Forward. The band released several CDs, toured, and was signed to Substant Recordings International.

In 2004 Ryan returned to Hong Kong to continue his music career playing sold out shows for Sam Hui and his 2005-2015 world tours. In 2006 he signed with Creep Entertainment and released two EPs "開竅" (2006) and "Transformer" (2009). Ryan has had several singles including "天生一對" & "Upstart",  make it onto Commercial Radio, Metro Radio, and RTHK charts as well as promoted in HK, Singapore, Malaysia, and China.

Currently Ryan is performing under the name The Stay Up in Hong Kong and China while balancing his time songwriting for other artists and recording his next EP for 2016.

許懷欣在香港出生及長大,在他14歲時,到了美國加利福尼亞州聖地亞哥升讀高中和大學。在這段時期,懷欣與當地不同的音樂家一同演出,及組成了朋克搖滾樂隊One Foot Forward。樂隊與Substant唱片公司簽約並發行了數張專輯及作巡迴

在2004年,懷欣回到香港繼續他的音樂事業,並參與了每場門票皆售罄的許冠傑演唱會和他的2005-2013年世界巡迴演唱會。2006年,他與埼立娛樂合作製作並發佈了兩張迷你專輯「開竅」2006 和 「Transformer」2009。同時期,懷欣推出了多首單曲,包括商業電台,新城電台及香港電台上榜歌「天生一對」和「Upstart」 ,亦在香港,新加坡,馬來西亞及中國等地區作唱片宣傳。