Most choirs spend a lot of time to learn individual voices, with singers having variable abilities to read and sing music. Choir conductors are used to send files, midi extracts, links, to help choir singers to progress between rehearsals.Musichorus is dedicated to shorten this process, providing a dedicated tool for learning. Based on real voices, the singer may choose voices to be heard, tune volume, change tempo, see scrolling score, record his voice and listen it with others, and have access to support material (such as pronunciation audio) in a single place. Learning curve is shortened drastically, and choir conductors may focus on group cohesion and music! Choir conductors may also create their own songs, with their own files, and share with their choir.