군악대
The school band, ACS Military Band is actively involved in competitions such as the Perak State Marching Formation Competition from 2000 to 2009 which were held in Perak Stadium in Ipoh. The band had once won the best drum major award in district level in the year 2006 where the competition was held in the school field. ACS Military Band had won a silver medal in Malaysian National Band Competition (NATCOMP) state level, which was held in Shing Chung Secondary School, Sungai Siput in 2012. The band had once collaborated with Bethel Wind Symphony Orchestra from the United States to perform a concert in 2011. ACS Military Band is a bronze medallist for national level wind orchestra competition in 2013 (National Wind Orchestra Competition) and 2014 (National Wind Orchestra Festival), both organized by the faculty of music of Sultan of Idris Education University (UPSI). ACS Military band was involved in Royal Malaysian Navy Day parade in 2014, 2018 and 2019 respectively. On the 31st August 2020, ACS Military Band won a silver medal in the Online National Marching Parade Competition in conjunction with the country's 63rd anniversary of independence.