Dennis has a great interest in ensemble singing. He formed a mixed voice quartet, Sideris, with his friends when he was studying in Italy. The quartet performed repertoires ranging from Renaissance madrigals, operas and contemporary works. Sideris was invited to performed in festivals in different regions of Italy.


He returned to Hong Kong and has formed a male ensemble group, Signo, with his friends. The group made its debut in 2019 World Youth & Children’s Choir Festival – Hong Kong. Signo has won prizes including Ensemble Singing Champion, Best A Cappella Performance, Best Interpretation and the Jury’s Prize.


Please contact Signo via for collaborations and performances.