Sing Theory

Interactive Blogs + Worksheets

Our interactive blogs and worksheets are designed to bring music theory to life—bridging the gap between understanding and application. Each topic begins with a clear, conversational blog that breaks down concepts in a way that feels intuitive and relevant to real music-making. From there, learners move directly into guided worksheets that reinforce those ideas through hands-on practice. Theory

Chord Functions

The Colors of Modes

Connecting Songs with Pivot and Passing Chords

A Note Form

The Hosts

Arabella

Arabella earned her BA in Communication and Spanish, with a minor in Music, from Northeastern University in 2020. She went on to complete a Vocal Styles Professional Certification at Berklee College of Music in 2021 and graduated with a MS SLP in 2025, further expanding her impact in voice and speech. Arabella has been teaching voice for over six years.

A singer holding a microphone mid-performance, lit by green and blue lighting, with a casual indoor setting in the background.
Quinn

Quinn leads both metal singing and songwriting in our studios. With extensive experience in music studios and recording booths alike, he has worked with a wide range of singers, supporting each artist’s individual goals. Students consistently praise Quinn for helping them explore new, expressive approaches to singing while making music theory feel clear, practical, and usable.

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A Note about our curriculum:

Sing Theory is a curriculum from Arabella’s Voice Studio that we’ve published for free, designed to make high-quality music education more accessible. Each part of our curriculum includes a free component, with optional premium extras for those who want additional depth and support.

It grew out of real teaching—what we’ve seen students actually need in order to become independent musicians, not just singers. From interactive blogs to guided worksheets and project-based videos, everything is built to be practical, usable, and rooted in real music-making.

Our role is to coach you through what works best for you—helping you cut through the noise and find a clear, sustainable path forward.

Dive deeper and discover the joy of playing music today!