In this 4th-grade music lesson, students will explore the concepts of melody and harmony through engaging group activities and vocal exercises. The lesson begins with a discussion to introduce key terms, followed by vocal warm-ups to prepare their voices for singing. Students will be divided into three groups, each focusing on a different vocal part: melody or harmony. They will learn a simple song with these parts, practicing separately before coming together to perform as a cohesive unit. The class will reflect on their experiences to emphasize the importance of collaboration and listening in music. The lesson culminates in a shared performance, fostering teamwork and musical appreciation. Optional percussion instruments may be introduced to enhance the experience further. Observations during practice will serve as informal assessments of student engagement and harmony blending.