Unleashing Your Inner Musician with Sia's 'Unstoppable' for String Quartet

Sept. 8, 2025

Sia

If you’re on the hunt for an inspiring and captivating piece to enrich your musical repertoire, look no further than Sia’s "Unstoppable," now available for cello, string quartet, viola, and violin. This augmented arrangement breathes fresh life into a pop anthem that has become synonymous with resilience and empowerment. Welcome to a musical journey where artistry meets emotion and mastery is achieved through meticulously crafted notes.

Written by Sia alongside Christopher Braide, Tobias Jesso Jr., and the incomparable Adele Adkins, this piece encapsulates the distinct sound that has made Sia a household name in pop music. The auditory experience crafted by Aaron Hettinga pays homage to the original while inviting string musicians to engage with its melodic and harmonic nuances. Spanning 16 pages, this score and parts are designed for those looking to make music that resonates with their audience.

What’s striking about "Unstoppable" is its dual identity. The song can evoke a sense of personal strength and vigor while simultaneously offering the tender beauty that string instruments are renowned for. When performed by a string quartet, you’ll find a rich tapestry of sound that harmonizes beautifully, allowing each instrument - from the soaring lines of the violin to the soulful depth of the cello - to shine in their own right. This arrangement invites musicians to delve into expressive phrasing, dynamic contrasts, and even to explore the intricacies of ensemble collaboration, making it an invaluable piece not just for performance, but for rehearsal and practice alike.

Available for only $14.99, this score represents an excellent investment for music educators, ensemble directors, and performers who wish to expand their library with pieces that challenge and inspire. Arranged with care by Aaron Hettinga, this targeted arrangement ensures that your ensemble will have a polished and professional sound, helping to elevate the overall performance.

Whether you're performing at a concert, participating in competitions, or even collaborating in a casual jam environment, Sia’s “Unstoppable” guarantees to be a crowd-pleaser. With its driving rhythm and poignant lyrics, the music itself is a testament to the power of resilience, a theme that is all too relevant in today’s world. Not only does it encourage musicians to push their boundaries technically, but it also serves as a reminder to audiences of the strength found in vulnerability and the beauty of perseverance.

Don't miss out on the opportunity to bring this stunning arrangement into your performances. Visit the Aaron Hettinga website to purchase your copy of Sia’s "Unstoppable" today and elevate your musical journey—because with every note played, you’ll not only be showcasing your talent but also inviting listeners to feel empowered and uplifted.