Mr Quartet is a very famous string quartet in Hong Kong. Members of Mr Quartet are Walter Chan (Violin I), Danny Cheng (Violin II), Bones Lam (Viola) and Tan Cong (Cello). Mr. Quartet has performed for concert of various pop-singers in Hong Kong and overseas for more than 100 times, including Eason Chan, Hacken Lee , Alan Tam, Paula Tsui, Sammi Cheng, Jacky Cheung, A-mei, Hins Cheung etc. They have also recorded for artist record and movie soundtrack in collaboration with Joseph Koo, Anthony Lun, Alan Tsui, Harris Ho, Chris Babiba etc.