A vocalist is a professional with specialized training in how to use their voice to produce music. They know how to perform advanced musical skills with their voice, such as projecting and emoting. Vocalists can be singers, but they can also include others who use their voice as an instrument, including rappers and throat singers. A singer is a professional who works in the music industry. Singers use their voices to sing songs at live performances or for recordings. They can sing in tune and along with songs in their chosen style of music.