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Mark De-Lisser

Founder | Choral Director | Arranger


SING OUT! Sunday founder Mark De­Lisser is one of the most sought after choral directors and arrangers in the industry today. His contagious arrangements are sung by choirs the world over, and his skills as a director are in constant demand. His most recent choral arrangement of Stand By Me was sung by the Kingdom Choir at the Royal Wedding of Prince Harry and Meghan Markle. So good inftact that it reached Number 1 in the USA on one of the Billboard 100 charts. His SING OUT! book series has become a go-to for choirs of all ages and abilities. He is the proud Musical Director of the award-winning ACM Gospel Choir and the founder of Singology Community Choirs. Mark recently lent his choral expertise to Gareth Malone, when he appeared as a guest mentor on the BBC’s “The Naked Choir’.


As a vocal coach his credits are endless; he has been a resident coach on BBC’s “The Voice” since it first began in 2012, and has developed a host of stars including Jessie J, Nicole Sherzinger and Jamie Woon to name but a few.  


On his vision behind SING OUT! Sunday, De­Lisser says:

“I created SING OUT! Sunday to give choirs and singers the chance to sing en mass. I wanted everyone to experience the massive choral sound that is such a joy to hear. My hope is that SOS will be a transformative experience for all. Not just musically but emotionally too!”



The SING OUT! Singers

These three vocal powerhouses can be heard in the SING OUT! series demonstration tracks and are all members of the ACM Gospel Choir. Professional singers in their own right, these vocalists feature throughout the SING OUT! weekend as workshop facilitators and performers.


Kirsten Joy

Our SING OUT! soprano is known for her vocal ability to do just about anything! With incredible skill and technique, Kirsten is quite rightly one of the most in demand singers in this country, and she is the current; voice of Clean Bandit and has been for a few years now. She has worked with many other big names in music including Leona Lewis, Rita Ora and Beverley Knight, as well as releasing her own material.


Tom Pybus

One of ACM Gospel Choir’s finest tenors, vocalist and drummer Tom Pybus has true musicianship. His skills as both a singer and drummer have led him to perform all over the world, alongside artists such as Pixie Lott, Scouting for Girls and Joss Stone. Many of you will have also heard him as the tenor voice in the SING OUT! series.


Holly Petrie

Currently touring the world as a backing vocalist / musician for Anastasia and Brit sensation Jess Glynn, chances are you’ll have seen or heard Holly somewhere in the last year! Her flawless skills as both a lead and supporting vocalist are why Holly is the “go-to singer” for so many people. You’ll have also heard her as our SING OUT! alto.


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