This product contains 120 music lesson plans, 120 “lessons at a glance,” 62 original songs (with sound files), and 1,536 pages of additional resources for kindergarten-5th grade music students. The lessons meet the National Core Arts Music Standards and were designed for both public school teachers and homeschool parents. Each grade level comes with 20 lessons (about 50-60 minutes long) or 40 lessons (for 30-minute classes. Just split each lesson in half).WHAT EDUCATORS ARE SAYING:"Very clearly