
keylab teachers

Adrian Cohen
Piano, Guitar, Drums, Songwriting, Music Production, Music Theory, Performance Coaching
Adrian Cohen is a pianist, composer, and educator, and is the founder of Keylab. He has performed with or opened for Terence Blanchard, Larry Coryell, k.d. lang, and the Charles Neville Quartet; composed for PBS and NPR; played on the soundtrack of the Miramax film The Castle; worked in musical theater as pianist and musical director; and was on faculty as an accompanist for modern dance at Skidmore College in Saratoga Springs, NY. Adrian teaches piano, guitar, drums, songwriting, and music production, and prepares students for performances and school auditions. He uses his varied musical experience of over 30 years to blend traditional and creative techniques, adapting to each student's learning style to help them achieve their musical goals.

Chris Petro
Piano, Drums, Guitar, Bass, Songwriting, Production, Ukulele,
Chris is a multi-instrumentalist, producer, and engineer based in Brooklyn, NY. He graduated from the prestigious jazz program at the University of North Texas in 2016 and has been a full time musician since, keeping a busy and varied schedule of performances, teaching opportunities, and studio work. As an educator, Chris believes in creatively utilizing each student’s unique interests as the lens to explore and communicate musical concepts — balancing learning and having fun in a highly personalized way.
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Ellis Buettner
Trumpet, Piano, Guitar, Songwriting
Multi-instrumentalist Ellis Buettner is a graduate of the Oberlin Conservatory of Music holding a degree in Trumpet Performance. Ellis is an active teacher and performer in the NYC area, specializing in classical, jazz, and contemporary styles. He also plays piano and guitar, and enjoys singing and songwriting. Ellis strives to make every lesson accessible, fun, and encouraging for students of all ages, prioritizing creativity, collaboration, and true music-making.

Hemans Chan
Piano, Voice, Violin, Songwriting, Music Production
Hemans Chan - artistically known as Hemans Erilia - is an Australian born Chinese artist who coined her unique cohesive sound as Bubblegum Diva Pop. Seeking to blend her bicultural upbringings together into her music, her sonic identity is a fusion of Asian and Western sounds, mixing Commercial Pop, Cantopop, Kpop, Disco, and slight RnB and Electronic Pop elements together. Hemans has a bachelors of music from the University of Sydney, and a Masters from the Berklee School of Music. She teaches piano, voice, violin, songwriting, and music production.

Jonathan Starks
Piano, Songwriting, Drums, Music Production
Jonathan Starks is a drummer, producer, and pianist originally from Phoenix, AZ. He received his Master’s degree from New England Conservatory in 2020, and now lives in New York City. He stays busy playing drums in several bands, producing records, DJ’ing, and teaching music lessons. Jonathan is a passionate educator, with an adaptable approach tailored to the individual goals and needs of any student.

Julia Gay
Guitar, Piano, Voice, Violin, Ukulele, Songwriting, Production
Julia is a classically trained musician from New Jersey who began studying violin at Carnegie Hall when she was 3 1/2 years old. She was a violinist in the New Jersey Youth Symphony as well as other chamber groups. Julia comes from a family of musicians and specializes in violin, guitar, piano, and vocals, but also teaches songwriting and basic music production. She is an active performer in and around NYC, playing at venues such as The Bowery Electric and The Nest. Julia enjoys composing original music and is passionate about sharing her love of music with students of all ages and skill levels through her kind, patient, and adaptable teaching approach.

Matthew Ryals
Guitar, Piano, Music Production
Matthew Ryals is a performing musician, sound designer, and educator based in Brooklyn, NY. He holds a bachelor's degree in instrumental performance from Arkansas State University and a master's degree in classical guitar from the Cleveland Institute of Music. Matt has led masterclasses at universities, designed educational programs for studios in NYC, and mentored hundreds of students of all ages and skill levels in his fifteen-plus years as an educator. Teaching is a core part of Matt's creative life, and his approach centers on nurturing self-expression, developing solid technique, and fostering a well-rounded music education for his students. Matt has a kind, supportive teaching style that adapts to each student's goals and learning needs whether they are a complete beginner or professional musician looking to level up their skills.

Zak Walker-Kahne
Piano, Guitar, Ukulele, Songwriting
Zak Walker-Kahne began playing jazz and rock guitar as a kid before focusing his studies on the piano. He graduated from Bard College, where he studied Jazz composition and performance under the direction of John Esposito. Zak is also a singer-songwriter. He released his debut album "Passenger Side" in November 2021 and is currently enrolled in a master's program in songwriting at NYU. He has taught music lessons for the past 4 years to students ranging in age from five to eighty four, and loves sharing his passion for music with students of all skill levels.
