(n.) A composer or singer of melodies.

Heldentenor Meistersinger alto aria singer arranger ballad maker balladeer balladist balladmonger baritenor baritone bass basso basso buffo basso cantante basso profundo blues singer canary cantatrice cantor caroler chanter chantress coloratura soprano comic bass composer contralto contrapuntist countertenor crooner deep bass diva dramatic soprano ethnomusicologist harmonist harmonizer heroic tenor hymner hymnist hymnographer hymnologist improvisator lead singer librettist lieder singer madrigalist melodizer mezzo-soprano musicographer musicologist opera singer orchestrator prima donna psalm singer rock-and-roll singer scorer singer singstress song writer songbird songsmith songster songstress soprano symphonist tenor tone poet torch singer tunesmith vocalist vocalizer voice warbler yodeler