More than 2500 people were at Penistone Park in Greenwood on December 12 to see the Melbourne trio perform.
Earlier, Fremantle eight-piece Ensemble Formidable entertained the crowd.
To recognise International Volunteer Day on December 5, guests were encouraged to wear something red.
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READ NOWSydney four-piece All Our Exes Live In Texas will headline the final concert at Mawson Park in Hillarys on January 16 with support from singer-songwriter Lucy Peach.