Lapbooks are a great interactive way to teach, you can use these lapbooks to teach about the Great Composers, once they finish, kids will be experts on a certain composer.
Once completed this lapbook looks like a small bulletin board, and it will remain as a reference for the students.
You can check Frederic Chopin Freebie, to have an idea of the end product.
This lapbook can be used in class rooms, for homeschooling or for private lessons.
The duration will depend on the way you use it.