Its success is attributed to the only new song "The Cigarette You Smoke" (你抽的烟) in the album as it is made popular by being featured in a Taiwanese TV series.

She remains best known for her ballads, some of which have become classic songs, such as "Regret" (遗憾), "Iron Window" (铁窗), "Living By Night" (都是夜归人), "Sunshine After the Rain" (阳光总在风雨后) and "Moonlight in the City" (城里的月光).

Her major public performances after 2006 include CCTV's annual mega Mid-Autumn Show 2008 which raised Hee's profile briefly throughout China and Asia, as well as being a special guest during Nanyang Technological University EMBA's 10th Anniversary Celebrations[7] and Stefanie Sun's concert in 2014.

[8] In 2015, Singapore's Mediacorp released a drama serial titled Crescendo that is loosely based on Hee's singing career.

In 2021, Hee released a re-recording of "Moonlight in the City" in partnership with Disney+, to promote the expanded library of Asian content on the platform.

[13] Hee received the NHG Exemplary Patient Award from IMH on 27 October 2014 where she discussed her experience with clinical depression openly and has strongly advocated for mental wellness, encouraging people to seek treatment early.

Hee appeared as a special guest on 13 February 2007 at a Charity Concert for Silver Ribbon (Singapore) and sang "Moonlight in the City".

In June 2008, Hee performed the opening act for a charity concert with other Singaporean singers to raise funds to help the victims of the 2008 Sichuan earthquake, she sang "Moonlight in the City" and "Sunshine After the Rain".