About
Diamond Bar Yamaha Music School offers group lessons for six Yamaha Music School courses in piano and keyboards, as well as JMC group classes, YMC group classes, and JXC group lessons. The program also offers private lessons for piano, vocals, guitar, and violin, and holds recitals. Families can attend Free Preview Classes, including JMC Preview Classes and YMC Preview Classes for the Fall 2026 school year.
• Ages: 4–18 years old
• Schedule: JMC Preview Class on July 18, 2026, Saturday at 2:00 pm; YMC Preview Class on July 18, 2026, Saturday at 2:45 pm; open enrollment for new Fall 2026 classes from June to August; JMC classes (ages 4–5) offered Mondays 5:00–6:00 pm, Thursdays 4:00–5:00 pm, and Saturdays 10:00–11:00 am; YMC classes (ages 6–8) offered Mondays 5:00–6:00 pm and Thursdays 4:30–5:30 pm
Diamond Bar Yamaha Music School began providing music education to children of all ages in 1982, and a second school, Walnut Yamaha School of Music, was opened in 1995. The Diamond Bar Yamaha Music School was founded by, and is currently owned and operated by, Esther Kho. The program uses the Yamaha Music Education System for young beginners and recommends that children under 8 years old attend group lessons to get a strong foundation before taking any private instrument.
The mission of Diamond Bar Yamaha Music School is to instill in its students a deep enjoyment and appreciation of music by providing an innovative, effective, and fun music learning environment. All Yamaha Music Education System teachers at the school are certified YMES instructors who undertake intensive training programs, receive ongoing YMES training and support, and have their work regularly monitored. Teachers are specially selected for their musical and communication skills and their love for working with children.
Several instructors have advanced degrees and extensive experience. Ms. Hsiaowen began in the Yamaha JMC program at age four, earned a Bachelor of Science in Music Education from Cal Poly Pomona, a Master of Music in Guitar Performance from Cal State Fullerton, and a Music Business Certificate from UCLA, and has taught guitar, piano, and music theory at local music schools for more than ten years. Maria Del Pilar holds a Bachelor of Music in Vocal Performance from the Conservatory of Antioquia University of Colombia and a Master of Music in Vocal Performance from Azusa Pacific University, is an active performer, a founding member of the Musica Anima and Opus 2 ensembles, an active member of Tuesday Musicale in Pasadena and the Music Teachers Association of California, and has extensive experience as a vocal instructor. Mariana received her BM from Yerevan State Conservatory of Komitas and is studying for her Master of Music in Piano Pedagogy at California State University of Northridge. Jesus finished his Artist Certificate at the College of Charleston in South Carolina, obtained a law degree at Santa Maria University in Venezuela, and recently won fourth prize in the V category of the Liszt International Competition in Los Angeles.
Ms. Yen received her Bachelor of Arts in Music from Tainan University of Technology in Taiwan and has been a renowned Yamaha Music Education System instructor in Taiwan since 1989. Ms. Bader received her Master of Arts in Music Teaching at the St. Petersburg Conservatory in Russia, earned qualifications as a concert performer, chamber ensemble artist, and teacher, was trained by internationally acclaimed teachers, and has taught at the Tchaikovsky Special School of Music for Gifted Children in Yerevan, Armenia and private piano lessons for over 30 years. Ms. Tomomi Kojima began learning piano at age three under the Suzuki Method, received a bachelor’s degree in piano from Senzoku Gakuen College of Music in Japan, completed the Warsaw Piano Workshop at the Frederic Chopin State School of Music in Poland with scholarships, participated in the Lyon International Summer Music Academy in France, and is pursuing the Artist Certificate in Piano Performance at Azusa Pacific University with a tuition scholarship. Mr. Wang received his D.M.A. from the Baku National Academy of Music, an M.M. from the Juilliard School in New York, earned his Pianist Diploma at the Conservatorio Nazionale Di in Bologna, Italy, studied extensively at the Ecole Normale de Musique in Paris, France, is the founder and president of the Los Angeles International Performing Arts Institute, has been a C.M. Evaluator since 1966, and is a judge for the Bach Festivals and SYMF Competitions. Ms. Kung received her B.A. in Piano Performance from CSULA, is a Yamaha Grade Examiner, and several of her students are winners of the S.C.J. Bach Festival, S.Y.M.F., Chinese and MTAC Branch Honors, and Convention Festival.
Last updated June 15, 2026.
• Ages: 4–18 years old
• Schedule: JMC Preview Class on July 18, 2026, Saturday at 2:00 pm; YMC Preview Class on July 18, 2026, Saturday at 2:45 pm; open enrollment for new Fall 2026 classes from June to August; JMC classes (ages 4–5) offered Mondays 5:00–6:00 pm, Thursdays 4:00–5:00 pm, and Saturdays 10:00–11:00 am; YMC classes (ages 6–8) offered Mondays 5:00–6:00 pm and Thursdays 4:30–5:30 pm
Diamond Bar Yamaha Music School began providing music education to children of all ages in 1982, and a second school, Walnut Yamaha School of Music, was opened in 1995. The Diamond Bar Yamaha Music School was founded by, and is currently owned and operated by, Esther Kho. The program uses the Yamaha Music Education System for young beginners and recommends that children under 8 years old attend group lessons to get a strong foundation before taking any private instrument.
The mission of Diamond Bar Yamaha Music School is to instill in its students a deep enjoyment and appreciation of music by providing an innovative, effective, and fun music learning environment. All Yamaha Music Education System teachers at the school are certified YMES instructors who undertake intensive training programs, receive ongoing YMES training and support, and have their work regularly monitored. Teachers are specially selected for their musical and communication skills and their love for working with children.
Several instructors have advanced degrees and extensive experience. Ms. Hsiaowen began in the Yamaha JMC program at age four, earned a Bachelor of Science in Music Education from Cal Poly Pomona, a Master of Music in Guitar Performance from Cal State Fullerton, and a Music Business Certificate from UCLA, and has taught guitar, piano, and music theory at local music schools for more than ten years. Maria Del Pilar holds a Bachelor of Music in Vocal Performance from the Conservatory of Antioquia University of Colombia and a Master of Music in Vocal Performance from Azusa Pacific University, is an active performer, a founding member of the Musica Anima and Opus 2 ensembles, an active member of Tuesday Musicale in Pasadena and the Music Teachers Association of California, and has extensive experience as a vocal instructor. Mariana received her BM from Yerevan State Conservatory of Komitas and is studying for her Master of Music in Piano Pedagogy at California State University of Northridge. Jesus finished his Artist Certificate at the College of Charleston in South Carolina, obtained a law degree at Santa Maria University in Venezuela, and recently won fourth prize in the V category of the Liszt International Competition in Los Angeles.
Ms. Yen received her Bachelor of Arts in Music from Tainan University of Technology in Taiwan and has been a renowned Yamaha Music Education System instructor in Taiwan since 1989. Ms. Bader received her Master of Arts in Music Teaching at the St. Petersburg Conservatory in Russia, earned qualifications as a concert performer, chamber ensemble artist, and teacher, was trained by internationally acclaimed teachers, and has taught at the Tchaikovsky Special School of Music for Gifted Children in Yerevan, Armenia and private piano lessons for over 30 years. Ms. Tomomi Kojima began learning piano at age three under the Suzuki Method, received a bachelor’s degree in piano from Senzoku Gakuen College of Music in Japan, completed the Warsaw Piano Workshop at the Frederic Chopin State School of Music in Poland with scholarships, participated in the Lyon International Summer Music Academy in France, and is pursuing the Artist Certificate in Piano Performance at Azusa Pacific University with a tuition scholarship. Mr. Wang received his D.M.A. from the Baku National Academy of Music, an M.M. from the Juilliard School in New York, earned his Pianist Diploma at the Conservatorio Nazionale Di in Bologna, Italy, studied extensively at the Ecole Normale de Musique in Paris, France, is the founder and president of the Los Angeles International Performing Arts Institute, has been a C.M. Evaluator since 1966, and is a judge for the Bach Festivals and SYMF Competitions. Ms. Kung received her B.A. in Piano Performance from CSULA, is a Yamaha Grade Examiner, and several of her students are winners of the S.C.J. Bach Festival, S.Y.M.F., Chinese and MTAC Branch Honors, and Convention Festival.
Last updated June 15, 2026.
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