[1] In 2006, Tay Kewei joined local singing competition Project SuperStar, initially getting into the top 24, but having to withdraw eventually due to conflicting gig schedules.
[2] After that, she decided to pursue a career in music, and became a background vocalist, duet partner, and erhu player for Chinese pop stars, including Wang Lee Hom, David Tao, A-Mei and JJ Lin assisting them on international tours.
Her debut label album, Come Closer With... Kewei was released in September 2010, with four original songs in English and Chinese, as well as a bilingual duet with Filipino singer Christian Bautista.
[11] In August 2014, Tay made her stage debut in original musical Innamorati by Toy Factory Productions, which features 12 songs sung by Eric Moo, along with 6 other singers including Wong JingLun, Bonnie Loo and Sugie Phua.
She was interviewed on Good Morning Singapore with the Chairman of the Show Committee Colonel David Neo, and Chief Choreographer of People's Association Mr Tay Poh Soon.
The music video is full of dramatic tension; despite not having much acting experiences, the outstanding emotional performance in the MV is a big breakthrough for Kewei.
In December 2014, she was cast as female lead in theatre production "Window In The Sky", acting against veteran actor Peter Yu, as the wife of a cancer-stricken man who was eventually healed by the power of prayer.
[15] She also sang the theme song for Mediacorp Channel 8's drama series "You Can Be Angel Too" called "Ai Yi Zhi Dou Zai", broadcast in January 2015.
[18][19] In June 2015, her television debut was for Channel U's docu-drama series "Wo Yao De Xing Fu" (Blissful Living), playing a university student who dreamt of being a singer.
Fillory and The Facade were the opening acts, and Bonnie Loo, Alfred Sim and Kewei's father (who played the Chinese flute) were the guest artistes of the concert.
In July 2016, she was part of Mediacorp Channel 5's original reality production "My Squad Is Better Than Yours", and was leader of Team KITA, consisting of artistes Tosh Zhang, Inch Chua and Aisyah Aziz.
In September 2016, she performed for Tag Heuer x F1 Redbull event at ION Orchard alongside Hong Kong superstar Gem Tang.
In December 2016, she and Alfred Sim represented Singapore at the China-ASEAN Friendship Concert in Hainan, singing their original duet "YI Ai Wei Hao".
[36] Tay Kewei was part of the line up of special guests for Hong Kong Asian-Pop Music Festival 2018 with her previous encounter being back in 2011 when she was selected to represent Singapore to compete for the Asian Supernova Award.