SJ MedMusic, or Super-Joy MedMusic Corporation, is dedicated to promote music for human happiness. One focus of SJ MedMusic is to promote artists and discover music talents. A key consideration of SJ MedMusic is to promote music (old, current, or future) in human health, so everyone can find the best music profile that is best for them and make them happy, and as well sometimes make them good/ok during situations of low mood, sad, or simply unhappy.