Nurrahmah, Y. O.; Sadhana, S. A IMPLEMENTATION OF JIGSAW LEARNING METHOD IN IMPROVING STUDENTS’ SKILLS IN BAND EXTRACURICULAR ACTIIVITIES AT SMPN 34 SURABAYA: 1. The Implementation of the Jigsaw Learning Model in the Band Extracurricular at SMPN 34 Surabaya Has Been Proven to Improve students’ Skills. The Observation Results Showed an Increase in the Average Value of students’ Skills from 54.12 in the Pre-Cycle, to 71.96 in the First Cycle, and 76.94 in the Second Cycle. This Shows That the Jigsaw Model Is Able to Provide a Positive Impact in Improving students’ Music Playing Skills Gradually. 2. PThe Implementation of the Jigsaw Model Is Effective in Helping Students Understand the Material and Improve Their Skills in Playing Music. Although There Are Some Students Who Experience Obstacles or Decline in Skills in Certain Cycles, Overall, the Trend of Improvement Is Still Visible. Solah 2025, 11.