Alto Clef The C clef giving the position of the note middle C on the middle line of the staff.
Alto The lowest voices of women and boys. Also instruments which play the notes of these voices.
A vocal line in choir music that is usually for mezzo-sopranos
Contralto The lowest female voice
C Clef The alto clef or tenor clef which give the position of the note middle C. In an alto clef it is the center line. In a tenor clef it is the second line from the top.
Signs On The Staves There are four common signs used on the staves. They are the treble , or G clef, the bass clef , or F clef, the alto clef (the C CLEF on the middle line), and the tenor (the C CLEF on the second from top line). Each of these clefs were originally letters, indicating which note on the staff was that note.
