At 12.30pm, more than 500,000 students from 2100 schools will sing Paint You a Song.
The aim of the event, now in its eighth year, is to highlight the role that music plays in educational development.
Some of the biggest names in the Australian music industry have supported the event, with Harry James Angus from The Cat Empire mentoring five high school students at a workshop in Sydney to write the song.
Newton Primary School music teacher Megan Watson said it was the third time the school would take part in Music: Count Us In.
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READ NOW‘It is an event that caters for all ages and musical abilities and one that provides a musical experience for each student that is bigger than themselves, she said.
‘I love that the students can learn about collaborating, composing, recording, practising new musical skills with it all building up to being part of the final performance with so many other schools all across Australia.’