You can listen to the bhajan and learn how to sing it yourself. The words and their meaning are below along with the chords for harmonium accompaniment.
Bhajan # 422 in the Premananda Bhajans book
Muruga, forever with the great energy of Shakti, You reside in Kataragāma. Son of the Pleiades, great warrior, You carry the powerful spear to protect us. Vēl Muruga!