About Us & our instructors
San Diego
Lessons
Ran by married couple and musicians, Alexis and Andrew Marin, MML offers one-on-one lessons in the comfort of your own home. Tailored to each student's unique needs, they aim to build confidence and help your child look forward to making music each week!
Our Owners
OWNER | Piano & Voice
Alexis Marin
A graduate of California State University San Marcos, Alexis earned her Bachelor’s degree in Music with an emphasis in Vocal Performance and a minor in Music Technology. She has extensive experience teaching both voice and piano to students ages 3 through adult, working across a wide variety of musical styles. Alexis has been singing her entire life and began playing piano at age 15, developing a strong foundation in both performance and musicianship.
In addition to private instruction, Alexis has spent years leading worship and directing worship teams, cultivating not only musical excellence but also confidence and teamwork among musicians. Sharing her love for music and helping students discover their own voice is at the heart of everything she does.
OWNER | Acoustic & electric GUITAR, PIANO, UKULELE, BASS, DRUMS
Andrew Marin
Earning a Bachelor's degree in Music with an emphasis in Jazz Guitar from CSUSM, Andrew has toured throughout the West Coast with various artists and has performed at numerous events across San Diego. Bringing both stage experience and professional musicianship to his teaching, he equips students with practical skills, confidence, and versatility across genres.
Andrew also has years of experience leading worship and directing worship teams, mentoring musicians and fostering strong, collaborative ensembles. His role as a father shapes the way he teaches — with a passion for helping others and guiding students through their unique musical journey with purpose.
Our approach & Teaching Philosophy
Family First
As parents ourselves, we understand how important it is for children to feel supported, encouraged, and excited about learning. We believe music lessons should be a positive experience that builds confidence, creativity, and discipline.
Our teaching style focuses on meeting each student where he/she is, celebrating progress along the way, and creating an environment where students feel comfortable trying new things and growing at their own pace. Whether learning their very first notes or preparing to perform, Marin Music Lessons strives to create a space where students feel proud of themselves and families find new ways to connect with their children.
Student-centered learning
Encouragement & confidence
Learning should be enjoyable
Building strong musical foundations
winter recital
sibling music practice
Additional Teachers
TEACHER | PIANO, VOICE
KATIE CRUM
Katie has been teaching music for over eight years, bringing both experience and enthusiasm to every lesson. She has a strong background in musical theatre, worship music, and live performance, giving her a well-rounded approach to both voice and piano instruction.
Katie has studied piano for 15 years and voice for 7 years, developing a solid technical foundation alongside expressive performance skills. Her diverse training allows her to support students across a variety of musical styles while building confidence and stage presence. Katie is passionate about helping students grow in their love for music, creating a supportive and encouraging environment where each student can thrive and reach their full potential.
TEACHER | PIANO, VOICE
SHERRIE SALES
Sherrie is a versatile performer with experience in musical theatre, choir, and playwriting. She has performed at notable local events, including the House of the Philippines at Balboa Park and the Service and Sacrifice Military Gala at Sycuan Casino. Sherrie inspires young students through private music lessons, her work as a performing arts teacher, and mentorship with children in her church’s ministries. Her own musical journey has led to recent success, including winning the NATS Regional competition at the adult college level, and she is currently competing at Nationals.
Her love of music began with singing at family gatherings and performing in church cantatas, laying the foundation for her current passion: performing Disney and Broadway songs with a unique and expressive touch. Through teaching and performance, Sherrie is dedicated to sharing her deep passion for music and helping students discover their own love for performing.
"The Marins are the best. Great family, great lessons, great recitals. We are so thankful that we found them for our kids' music lessons."
- Nick Ostermann
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