The term 'BETWEEN SOPRANO AND TENOR' can be broken down into three crossword solutions: ALTO (4 letters), VOICES (6 letters), and SAX (3 letters). ALTO is a type of voice in classical music, typically lying between the soprano and tenor VOICES. VOICES refers to the vocal range of singers, which can include soprano, ALTO, tenor, and bass. Finally, SAX is an abbreviation for saxophone, a woodwind instrument that is commonly used in jazz music.