The Drummer (2007 film)

The Drummer is a 2007 Hong Kong-Taiwanese drama film written and directed by Kenneth Bi and starring Jaycee Chan, Tony Leung Ka-fai and Angelica Lee. It is Kenneth Bi's second film as a director.
The film was released in Hong Kong on 11 October 2007. It features the Chinese Zen drumming group, U-Theatre. The film is available in the United States on DVD from filmmovement.com.
Summary.
Sid, the spoiled son of a gangster (Kwan), is getting caught having a love affair with the girlfriend of a big gangster boss, who is also the boss of his father. To save the life of his son, Kwan sends him to off to Taiwan, where an uncle (Chiu) is watching over him. One day Sid discovers a temple with Zen buddhist practising drums. He joins them and learns important lessons about life.