As it was once said by Confucius, “it is by the poetry that the mind is inspired. It is by the Rules of Propriety that the character is established. It is from the Music that the perfection is accomplished.” TT Bear: Sing & Play is an app that focuses on the healthy psychological development for kids at age 3-6. It combines early childhood music enlightenment education theory with the current views and conditions of the society and parents on music education for young children. In order to “let every kid to feel happiness through music”, the app brings up a brand new music education concept that uses the elements of melody, song and performance etc. to let kids experience the fun in participating in musical activities and promote an all-round development of morality, intelligence and appreciation for the youth.