Related Clues:

• Grandma's ''secret''
• Space ___
• Bronze ___
• Admission restriction, usually
• Application form question
• Six, say, for a first-grader
• Ice is one, information another
• Nostalgic song
• Geological period
• Important time
• Hit from Grandpa's day
• Tune from the past
• Allow to ripen
• Song from the past
• Obstruction