Edwin Siu (蕭正楠) and Raymond Cho (曹永廉) become good friends and hosted variety show together after shooting The Confidant (大太監) drama. Although both join the industry as singers initially, but they become actors and establish good rapports.
On 4th March 2019, Raymond and Edwin shared video clip of themselves singing karaoke in order to prepare for their upcoming concert. Raymond remarked he was preparing for his concert at Hong Kong Coliseum and both sang the song (一生中最愛) together. Edwin left a message: “Raymond took me for relaxation as my wife, Priscilla Wong (黃翠如) was busy filming series…… His voice #concert #our show #see you in Hong Kong Coliseum” Subsequently, Raymond uploaded a video clip of Edwin singing the song (高山低谷) and gave his criticisms: “A very big room for improvement!”