This research is aimed to evaluate the contribution of activities prepared with Web 2.0 technologies for the sound formation unit within the scope of a music lesson to the learning levels of students. The study group consists of 220 students in the 9th grade of Trabzon Affan Kitapçioglu Anatolian High School. A 9-question knowledge test was applied as a measurement tool to make determinations regarding the realization of the achievements in the unit of "formation of sound". In the study, interviews were conducted with a randomly selected group of 8 students from the study group. The content analysis technique was used to analyze the data obtained as a result of the interviews. In line with the findings obtained from this study, it was determined that the activities prepared with Web 2.0 technologies contributed to the students' self-knowledge, self-confidence, protection of voice, voice change, and field expert knowledge, which also provided ease of learning theoretical knowledge.