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COLTYN 
Coltyn is an experienced and versatile singer with experience in opera, theatre, and rock music. He has been teaching voice since 2016 to students of all ages and across multiple genres. Coltyn's education includes a Bachelor of Arts in Vocal and General Music and Bachelor of Arts in Wide Range Education. Coltyn helps learners understand how their body and voice work together, with a focus on breathing techniques, healthy warmups, and effective practice routines. With Coltyn's guidance, students can become stronger singers through education and physical training.

JACOB
Jacob Sudbrink began working as a music director in 2002, and has taught voice students throughout his musical career. He has experience teaching high school choirs, high school band, and K-8 general music in schools, as well as an extensive experience directing musical theatre productions for a variety of schools and theatres. He is also vocal director for a performance troupe of elite performers grade 7-12. Jacob is an accomplished violinist and has a passion for conducting. Jacob and his wife Jes founded Sudbrink Performance Academy in 2015.

KIRSTIN
Based in Wisconsin, Mezzo-Soprano Kirstin Roble maintains a busy career in opera, recital, and
oratorio. Most recently, she has been seen in productions and concerts with Madison Opera,
Madison Savoyards, Belle Ensemble (Racine, WI,) and Opera on Tap-Wisconsin. Some of her
favorite recent roles include Zerlina (Don Giovanni), Floßhilde (Das Rheingold), Third
Woodsprite (Rusalka), and Mary Todd Lincoln (American Spring- Wisconsin premiere). A
frequent performer of oratorio and mass works as well, Kirstin has recently performed the Alto
solos from Vivaldi’s Gloria and Magnificat mass works, Messiah (Handel), Coronation Mass
(Mozart), and Missa Brevis in F (Mozart).
Outside of performance, Kirstin maintains a small private voice and beginning piano studio as
well as works as an Executive Assistant and Content Creator. She’s an avid traveler, enjoys
reading and thrift store shopping, and is a proud dog mom to Penny, Izzy, and Paco.