The music in Lesson Book 3 is completely written on the staff. After a review, the new concepts taught are: Staccato, legato, slurs; Melodic and harmonic 2nds and 3rds; Melodic and harmonic 4ths and 5ths; f-p.; Bass clef C D E are taught for the LH. Students then know all notes necessary to play in the C position. Playing both hands together is taught near the end of the book. Characters introduced: Nannerl Mouse, Nina Ballerina, and Professor Haydn HippoThe music from this book is available in the Piano Maestro app that's downloadable at http://app.appsflyer.com/id604699751?pid=web&c=alfred. Learn more About JoyTunes, the maker of Piano Maestro at http://teachers.joytunes.com/?jt&utm_source=alfred&utm_campaign=web.