Related Clues:

• It makes the grade
• Audition tape
• Sales pitch enclosure, maybe
• Word with litmus or taste
• Makeup, e.g.
• Statistical subset
• Get some good out of
• See 18-Across
• Sound engineer's word
• Battery component
• Marketing ploy
• Insert in the game
• Take for a sucker
• Sampling
• Word after high or road