Ronilyn Raguindin started learning to play viola at the University of Santo Tomas under Professor Joy Allan Dela Cruz. She joined the UST Symphony Orchestra in her university years. She graduated with a Bachelor Degree in Music Education with an emphasis on viola in 2016.

She continued teaching and performing after she graduated. She taught in Divine Light Academy as a music teacher for grades 7 to 10 in the Philippines. She was a member of the Philpops Quintet, the Philpops Orchestra, served as a guest musician with the Philippine Philharmonic Orchestra, participated in Keystrings Chamber Music, and was involved with the C-Strings Music Ensemble, among numerous other groups.

In 2017, she relocated to Thailand to teach kindergarten music classes and violin classes for primary and secondary students at Thai-Singapore International School, using the American curriculum for music education.

In the year 2018, she moved to Abu Dhabi to teach violin, keyboard, and piano to all ages using the Trinity College London Music Syllabus. In addition to individual and group lessons, she also forms and leads the Violin Chamber. These ensembles provide students the opportunity to collaborate, improve, and perform together, enhancing their overall musical experience.