From Longman Dictionary of Contemporary Englishlibrettistli‧bret‧tist /lɪˈbretɪst/ noun [countable] APMsomeone who writes librettos
Examples from the Corpus
librettist• These works raise a serious question as to whether their subjects are suitable cases for treatment - that is, by librettists and composers.• Composer / librettist Glass and choreographer / director Marshall are working with substantial material here.• His librettists whether poets, novelists, producers or scholars, tailored their books to his minutely worked-out requirements.• With Bley conducting and Paul Haines, the original librettist, as narrator, the opera was revived to ecstatic reviews.• Mozart's librettist for Figaro was himself a controversial and colourful character. 