Par LANG LANG. This pack of 52 brightly coloured cards feature imaginative ?True or false?, ?What?s the difference'? and ?Explain this!? questions to improve note-reading and music theory skills. Designed to make theory fun and extend knowledge, the Lang Lang Music Theory Cards can be used alongside The Lang Lang Piano Method, but are also ideal for any beginner musician. / Methods and Tutors / Accessoire / Piano