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"Grettel is a first class musician. She is professional in all aspects of her work and is an excellent team player. Her vocal quality is outstanding and she is an experienced and versatile performer with the ability to also work in the role of musical director / vocal arranger - highly recommended”
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- Andy Stott, Head of Popular Music, Royal Northern College of Music
"Grettel is one of the most talented young musicians I’ve met in my career.
Her passion for learning and bettering herself as not only a musician, but a human, is a quality that is very rare in this industry and it should speak volumes.Grettel brings a light that is unparalleled when she performs and it has a truly amazing affect on people."
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- Avi Kaplan, former member of Grammy award-winning group PENTATONIX
"Grettel impressed the admission board with her fluency in the pop genre, her agility and musicality as a vocalist, and her deep passion and dedication for a cappella music. Not to mention her warm and friendly personality. She was a leader among her group and a fantastic musician who was charismatic enough to confidently sing solos and humble enough to know when to let others shine. She understands what goes into every part of the a cappella music making process, and is hungry to learn it all."
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- Ben Bram, Grammy award-winning vocal arranger/producer
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