vocalist

n. singer

A singer is a musician who uses their voice to produce music. Often the singer is accompanied by musicians and instruments. While many people sing for pleasure, vocal skill is usually a combination of innate talent and professional training. A lead singer performs the primary vocals of a song, as opposed to a backing singer who sings backup vocals or harmonies. An exception is five-part gospel a cappella music, where the lead is the highest of the five voices and sings a descant, and not the melody. Professional singers usually undergo voice training, provided by a voice teacher or coach.
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Noun
1. a person who sings
(synonym) singer, vocalizer, vocaliser
(hypernym) musician, instrumentalist, player
(hyponym) alto

n. vocalist, singer

(n.)
A singer, or vocal musician, as opposed to an instrumentalist.