Possible Clues:

• High in pitch, female voice entertains group
• An artificially high male voice
• Singer in argument after footballers left
• Unusual male singing voice framed in female singing voice
• Paul occasionally interrupts loud argument in high-pitched voice
• Strained vocal dishonest tot edited
• Fellow, in addition, takes in first endurance race and is vocal we hear
• Elevated speech from founder, losing one argument
• Fellow, in addition takes in first endurance race and is vocal we hear
• Tenor is wrong to mistreat him for singing even higher notes.