Music Staff


Strings Instructor


Sahak Karapetyan graduated with a Masters in Music Performance from Komitas State Conservatory. He has served as Concertmaster of several symphonic and chamber orchestras. Sahak is a founder and Music Director of the St. Gregory chamber orchestra as well as the Bravo String Quartet. He is a member of the Santa Barbara, Redlands, and San Bernardino symphony orchestras, and has taught violin, viola, cello and piano privately for over thirty years. Among his students are distinguished musicians who have won grand prizes in music competitions and many who have subsequently devoted their lives to professional playing.  Sahak joins ALF for his sixth year as a strings instructor.

Strings Assistant Instructor


Ripsi Yepremyan earned her Master’s degree in music performance and has been teaching violin and piano privately for numerous years. She is also a performing violinist with local professional orchestras. Ripsi’s devotion to her work is genuine and her approach to musical study promotes confidence and enthusiasm. Students are empowered to deal with the challenges of mastering an instrument and inspired to persevere through the difficult stages of practice that ultimately bring success. Ripsi is beginning her sixth year as a strings instructor for ALF.

Brass & Concert Band Instructor


With over 1,500 credits in Film, Television and recording, USC graduate Phillip Yao has worked with many of the world’s top composers and musicians including John Williams, James Horner and Jerry Goldsmith. Mr. Yao can also be heard on recordings showcasing a variety of artists from all genres, Hilary Hahn, Barbra Streisand, Aerosmith, Josh Groban and Ray Charles, to name a few.  In addition, he has years of orchestral, opera, ballet and Broadway show experience having played with the Pasadena Symphony, Pacific Symphony, Los Angeles Chamber Orchestra, Los Angeles Opera, Phantom of the Opera and Wicked.  Phillip returns for a fourth year with ALF Instrumental Music as a brass instructor and will lead Concert Band, this year. *

Brass Assistant Instructor


Charles Brunson is a trombonist, pianist, and teacher in the LA area. He began studying piano at an early age and picked up the trombone soon afterwards. He attended California State University, Northridge for Trombone Performance. In 2018, he was the winner of the CSUN Concerto Competition and subsequently performed the Ralph Vaughan Williams Tuba Concerto with the CSUN Symphony. He graduated in 2019 with his Bachelor’s of Music degree, and received his Master’s of Music at UCLA in 2021. As an instructor, he works with Harmony Project, Ventura as Brass Teaching Artist and teaches privately across the Los Angeles area. Charles joins ALF Instrumental Music in 2021 for his first year in the program. *

Woodwinds Instructor & Concert Band Assistant Instructor


Shahid Yasser Osuna is an LA-based flutist, arranger, and teacher. He received a certificate in Music Performance at the Coil School of Music in Riverside, CA in 2017, where he was the two-time winner of the President’s Honor Recital and played principal in the Symphony Orchestra and Wind Ensemble from 2015-2017. In 2019, Shahid graduated from California State University, Northridge with a degree in Wind Performance. During his time at CSUN, he won the 2019 Upper Division Concerto Competition.  Shahid has toured across the world and has played flute with several ensembles including Bellflower Symphony Orchestra, Song of Angels Flute Orchestra, Whittier Regional Symphony, and LA Symphonic Winds. In addition, he often gigs on his doubles, oboe, saxophone, and clarinet.  Currently, Shahid teaches with New West Symphony Education through the Laby Harmony Project as the Flute Teaching Artist, and coaches with CSUN Youth Symphony Orchestra. In 2021, Shahid will complete his Master of Fine Arts degree in Instrumental Arts at the California Institute of the Arts.  Shahid joins ALF for a third year as a woodwind instructor. *

Woodwinds Assistant Instructor


Amanda Campos is a saxophonist, flutist, and clarinetist based in Pasadena. She has performed in several college ensembles in southern California, including the Pasadena City College orchestra, CSULA Afro Latin Ensemble, and Long Beach City College Jazz Band. She earned her certificate in Music and Movement for Young Children from Pasadena City College, and is currently pursuing a Bachelor of Arts degree in Jazz Reeds from California Institute of the Arts. She is an active freelance musician in the Los Angeles area and teaches private lessons across the county. Inclusivity is always her main priority when engaging students in music. *

Percussion Instructor


A graduate of La Cañada High School, Colin Ring has continued his studies at PCC and USC. His professional percussion training includes programs at the Jamie Font School of Music, Colburn School of Music, and the Berklee School of Music in Boston. Colin is a drummer for various hard-rock and metal bands. He organized and produced a benefit concert, “Rock for Peru,” which raised money for a medical mission to Peru. He has been giving private drum lessons for the last 12 years. Colin first worked with ALF in 2008-2009 as an assistant in the Brass and Percussion class. This is Colin’s sixth year as a percussion instructor.

Percussion Instructor


After graduating from La Cañada High School in 2012, Sean Moriarty became a part of the percussion staff with the LCHS Band for the 2012-2013 school year. Later he attended Glendale Community College with a major in Music. Currently, he plays drums for the local band Ryder Buck & The Breakers, and formerly with the Hollywood based Hard Rock/Pop trio Varna which has received acclaim from the LA Music Awards and the North American Independent Rock Music Awards. He also teaches privately, does recording sessions, and works as the Strategic Entertainment Manager for MAC Creative Management. Sean joins the ALF Instrumental Music program for his sixth year as a percussion instructor.

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