During the multiple performances Achieve that have been given Giving at the festival Social_event various chamber music ensembles have performed Action .

In 2009 , the Melbourne Jazz Co-op presented Presence 152 performances featuring over 130 ensembles .

The festival features over 18 concerts including major choral and orchestral works , chamber ensembles , free lunchtime concerts and late night recitals in churches , chapels and in the open Openness air .