the really useful piano chord bundle - piano poster bundle (set of 2) - illustrated piano chords and scales - learn piano and music theory - piano beginners - a1 size - folded version the really useful poster company designed by an aspiring musician as a quick reference tool, the really useful piano bundle poster makes learning piano, playing piano chord progressions and composing music easy and fun. the perfect gift for aspiring musicians and budding piano players alike, this fully illustrated piano learning tool allows you to start creating music and jam away until your heart’s content. our piano posters display all 24 major and minor chord sets, essential music theory and chord progression on two illustrated posters. not to mention we think it looks great on a wall! the posters are a1 size (33.1 x 23.4 inches / 841 x 594 mm) and come folded to a4 size and are printed on 170gsm gloss paper.