Through Mussila, we have identified knowledge and skills that could have gone undetected if the students’ only options were to express themselves through speech or in writing. My school Tónstofa Valgerðar focuses on special needs education and uses a strength-based approach built on a social model of disability. Our students’ rights to quality music education are recognized, and teaching methods accommodate their varied learning styles. Mussila has been instrumental in our work. It has given us a valuable tool through which the students’ musicality, interests and strengths are recognized and encouraged. Through Mussila, we have identified knowledge and skills that could have gone undetected if the students’ only options were to express themselves through speech or writing. Furthermore, Mussila has encouraged the students’ creativity, enabled musical playfulness, and allowed for easy transference of knowledge to their instruments.