In a 4-part music piece, the alto is the second highest vocal range. Normally it meant the highest male voice or a male using his falseto voice. For females, the alto voice is called contralto. Alto is lower than the soprano but higher than the tenor.
Range:Between the F below middle C to the second D above.
Word Origin:Alto is Italian for "high". It's derived from the word contratenor altus referring to the vocal range above that of a tenor.
Types of Alto Voices:There are 2 main types: