Related Clues:

• Voice classification of Jose Carreras
• General drift or meaning
• Male singing voice of high pitch
• The highest adult male singing-voice
• Male voice of high pitch, like Luciano
• Male singer with high register
• The highest male singing voice
• Male singing voice
• Male singer with high-pitched voice
• High male singing voice like Pavarotti
• Singing voice between tenor and soprano
• Female singer
• A low high, by the sound of it
• Around six, the seer may alter the original
• It's a bit high to be invoiced like this