They must also know how to watch for cues, and communicate effectively with their audience. Since there are so many techniques to learn, many aspiring Singers choose to attend music school or take private lessons with an accomplished Vocal Teacher and Coach. Singers also learn to work with solo Accompanists, or accompany themselves on an instrument. They learn all about how music is put together, so they can have input into the arrangement, figure out the best key for a song they will sing, and work with other Singers, musicians, and Producers.