Possible Clues:

• Getting on with barman holding onto spirit
• Soundtrack of Our Lives "Still ___"
• Effect of time
• Cause of some lines
• Not so new
• Gerontologist's concern
• Gerontologist's subject
• Getting on, so to speak
• Its cause is what rocket scientist Robert Truax predicted would be found and corrected by 2010
• Stored in a cask, say