Clave metronome is a metronome for working musicians, with simple interface and realistic sounds. I've made it simply because I need it as passionate musician and one similar doesn't exists. In addition to the typical quarter beat pattern, it includes the clave of son, rumba, afro, buleria and many more up to swing and reggae. It includes other useful features like buttons to double and halve the speed without loosing the time. NOTE: I'll be glad to follow user suggestions to add new patterns but, please, include in the comment some guideline for the required pattern.