The term 'Syllable Singer' is a job description for someone who is a TRA, which stands for a three-letter acronym. A Syllable Singer is someone who sings syllables in a musical performance. This type of singing is often used in choral music and can be used to create a unique sound or texture. It is also used to add emphasis to certain words or phrases. Syllable Singers are usually trained vocalists who have a good sense of rhythm and timing. They must be able to accurately sing the syllables in the correct order and with the right emphasis.