Related Clues:

• Stirring kind of voice
• Mounted musical, keeping chorus leader busy
• The voice of the doer
• Nimble appears in Act Four, beginning of end
• Voice of a cat that swallowed its tail?
• Wild cat I have to view in operation
• Argentinian revolutionary conceals carbon which is emitting radiation
• Not extinct (of volcano)
• In actual operation
• Not retired
• At last, looking back, Evita rings Charlie to describe that keen person
• Unlike couch potatoes
• Like some medicinal ingredients
• Busy, energetic
• One holding box - that keeps one busy