A music composer is a writer of music by definition. A composer can write sung lyrics, notes and entire orchestra scores, for example.
This is the French composer Eric Satie.
The composer of the music and lyrics is unknown.
The composer of the music for the film romeo and juliet is Henry Mancini.
I believe that would be the score composer.
he is a music composer
Beethoven was a music composer
Vishal-Shekhar
English composer, John Rutter.
A classical music composer (in the romantic style).
Patrick Doyle was the composer of the music for the film.
Suzuki music literature lists the composer as 'Anonymous'.