As a singer, Amelia has been featured in many concerts in Australia, the UK and US.  Most recently she played the role of Sabina in The Troupe in concert for Prospect Musicals’ Ignite festival. She has been a featured artist and host multiple times for the Australian Theatre Festival NYC.

Amelia has performed her one-woman show Love For Sale in Sydney, Melbourne and London.  Other highlights include Trevor Ashley’s Showqueen (The Supper Club, Sydney) An Evening with John Bucchino and The Craig Christie Songbook (St James Theatre, London), Broadway Future Songbook Series (Lincoln Center), concerts Yuletide X, Yuletide XII,Life/Liberty/The Pursuit of Happiness and This is Me (Alpine Theatre Project). She has done multiple concerts and recordings for composing team Derek Gregor and Selda Sahin. As a singer-songwriter, she has released 2 albums - Amelia Cormack and Amelia Cormack - Live @ The Supper Club which can be found on all streaming platforms. She is featured on the original cast recordings of Priscilla, Queen of the Desert the Musical, LOVEBiTEs and Lyons & Pakchar - Beau (World Premiere Recording). She is also featured on Showqueen Sessions 1, Horses: The Story of Equus, and The Renaissance Players’ Testament: Archangels’ Banquet & Shepherds’ Delight.

She has released a number of songs and covers with her bluegrass/country duo, Cormack & Guinn, with former Les Miserables castmate Allison Guinn - their podcast Some Dark Holler is now available on all major platforms - and covers band Pull Up the Covers with her husband Roger Plotz.