Randomly generate rhythms for dictation/solfege, composition, group exercises etc. Use it on the whiteboard, in class, print out individual exercises, embed in google sites, have pupils generate their own rhythms etc. Time signatures 2/4, 3/4 and 4/4, each in 2, 3, and 4 randomly generated, individually different* voices. In order to facilitate the access to notated music, the rhythms are notated in 'rhythm box notation', aimed at beginners/2 - 6 graders. Building a bridge to 'real' score notat