Related Clues:

• Ripen, say
• The Jimi Hendrix Experience, e.g.
• Pitching number
• Driver's license info
• It should be low on a diamond
• Golden __
• Chunk of time
• Triad
• Big Band or Disco period
• Musical group
• Get up there
• Dating service datum
• Mellow, perhaps
• The 80's, say
• Retirement factor