IPA: /ˈtjuːnsmɪθ/
KK: /ˈtunˌsmɪθ/
A person who creates or writes music, particularly melodies for songs that are popular.
The tunesmith wrote a catchy song that everyone loved.
Tunesmith → It is formed from "tune" (from Old French *ton*, meaning a melody or musical sound) and "smith" (from Old English *smiþ*, meaning a worker or craftsman). A tunesmith is a craftsman who creates melodies or music.
Think of a 'smith' as a craftsman who 'works' on 'tunes' — that's why a tunesmith is someone who crafts music.