Related Clues:

• Car dealer's car, often
• Key letter
• Certain tape
• Sales aid
• Prerelease version
• Singing hopeful's handout
• As yet unmarketed, as software
• It may be cut in a studio
• Floor sample
• ___-test
• Type of test
• Showroom display
• Alpha's follow-up
• Type of tape
• Former VHS rival