Related Clues:

• Firms up
• Scale starters
• Shadings
• Scale parts
• Cash, slangily
• Vocal inflections
• Improves, as one's muscles
• Tune from ''The Sound of Music''
• Musical pitches
• Start of a musical scale
• Slangy money
• Fa/la
• 'The Sound of Music' hit
• Pure sounds
• Notes that are almost as easy as A, B, C