Related Clues:

• Aspiring artist's submission
• It shows what you can do
• Talent scout's request
• Mailing to a record exec
• Band's sample
• Musical sampler
• Homemade sample, perhaps
• Band's sampler
• Attention-getting submission, back in the day
• Mailing to a label
• Mailing to a record exec, once
• Sample of band's work put down without a piano
• Old means of getting discovered
• Rock sample
• First step in some discoveries