The term 'male voice, high' can be broken down into two crossword solutions: ALTO (4 letters) and TENOR (5 letters). An ALTO is a type of male singing voice that is lower than a soprano but higher than a bass. It is the highest type of male voice in choral music and is usually sung by adult men. A TENOR is a type of male singing voice that is higher than an ALTO but lower than a soprano. It is the second-highest type of male voice in choral music and is usually sung by young adult men.