general

Basso profondo (Italian: "deep bass"), sometimes basso profundo or contrabass, is the bass voice subtype with the lowest vocal range. While The New Grove Dictionary of Opera defines a typical bass as having a range that is limited to the second E below middle C (E2), operati...

Falsetto (, Italian: [falˈsetto]; Italian diminutive of falso, "false") is the vocal register occupying the frequency range just above the modal voice register and overlapping with it by approximately one octave. It is produced by the vibration of the ligamentous edges of th...