Related Clues:

• Vocal manners
• Phone button sounds
• ''Eat crow'' and ''talk turkey''
• Firms up
• Shadings
• Scale parts
• Vocal inflections
• Improves, as one's muscles
• Musical pitches
• See red, talk a blue streak, etc.
• Fa/la
• Pure sounds
• Vernacular phrases
• Ecru, mauve, et al.
• Makes firm