ACSBB, began in 1991 with just a handful of dedicated students who were musically inclined and a few instruments belonging to the category of Brass and Percussion. In 1994 ACSBB matured to be accepted at a national level. Its first performance at national level took place in September that year. Apart from being nationally accepted, There it began a journey of rapid development over the years to become a well-known name among the Brass Bands. ACSBB was officially invited to welcome His Royal Highness Prince Charles in 1998 when he visited Sri Lanka for the 50th Independence Day Celebration. As a team, ACSBB created history at Ananda by being the first and only non-cadet band to win the Brass Band Championship Trophy twice in the years 1997 and 1999. ACSBB is the First Ever Sri Lankan School brass band to be the champions of an international competition being the Open Class Champions of Thailand World Music Championships 2020.