Lang Lang Piano Method Level 2 for children. Join the superhero world of Lang Lang and come on a piano adventure with The Lang Lang Piano Method Level 2. Level 2 builds on the first book by introducing: eighth notes (quavers); simple hands together;and thumb-under technique. The five progressive books in The Lang Lang Piano Method provide a unique and imaginative way for complete beginners to learn the piano with the world?s most successful concert pianist, Lang Lang. There?s plenty to play all around the keyboard right from the start.