Vocal cords are able to produce a wide range of sound frequencies because of the larynx’s ability to stretch vocal cords and the cords’ molecular composition, report researchers. Picture a singer, ...

Most people have a modest two-octave vocal range when they sing, but some rare talents can manage five octaves or more. Think the late great, Freddie Mercury of Queen, or Guns N’ Roses’ Axl Rose, ...

Picture a singer, accompanied by a grand piano. As the singer's voice dances through multiple octaves of range, the pianist's fingers trip from one end of the keyboard to the other. Both the singer's ...