GRE scores not required Prepare for teaching credential. No GRE scores are required to apply. Complete in as few as two years. A certified music teacher is often the favorite teacher of many students. Music teachers usually teach choir, band, orchestra, or a combination of all. A music teacher is responsible for sharing music and musical knowledge with his or her students. In lower grades, this may simply mean singing on key, keeping tempo, and learning new songs, but older grades may mean teaching range, how to play an instrument, or helping prepare for college level musical pieces. A music teacher will also be responsible for the same duties as regular education teachers. A music teacher needs to be upbeat, musically inclined, and willing to sing all day and every day. Normally, music teachers should be able to play basic instruments and read music. A music teacher must also be someone who can handle a great deal of noise from children, instruments, and singing each and every day.