She was presented with a certificate of appreciation and happily joined them singing several hit songs.

Ms Chesters has enthusiastically supported the choir in the past with her office aiding the choir in some administrative support.

The choir is comprised of over 60 singers from the Bendigo community with ages ranging from 64 to 93 years.  

The group have been known for performing classic punk and rock classics.

This year’s program will feature The Sex Pistols, The Beatles, The Black Keys, Bruce Springsteen, Foo Fighters among many others.

During Thursday’s rehearsal Girton Grammar’s headmaster Matthew Maruff, joined the back-up band on the drum kit.

“I’m delighted to see such a wonderful partnership between the old and the young with Girton Grammar School bearing such fruit” Mr Matthew Maruff said.

Assistant Head of Music at Girton Grammar and Forever Young co-ordinator Laura Dusseljee said the choir was going very well.

“After only a few rehearsals the choir is already producing a magnificent sound," she said.

"The theme this year is live and the Forever Youngsters are a fine example of how to do this well."

“We’ve just secured our first international sponsor, musicnotes.com” she said.

Girton Grammar’s musical staff and students have performed alongside The Forever Young Rock Choir for the past three years.

They will continue doing so for the choirs upcoming performance at The Capital Theatre on September 17.