Product design question

Design a product for people to learn how to play musical instruments.

Practice this question out loud. An AI interviewer asks it, follows up like a real interviewer would, and scores your answer. Type or speak.

What this question tests

Whether the candidate can identify a real barrier to skill acquisition and design a product that sustains motivation over a long learning curve.

Pick a segment, for example adult beginners with limited practice time, since their needs differ sharply from children in structured lessons.
Name the pain point: motivation drops off because progress feels slow and there's no accountability or feedback outside a weekly lesson.
Prioritize a feedback loop: real-time pitch and rhythm feedback during practice, similar to Yousician, so users see progress daily, not just weekly.
Propose supporting features: short, gamified daily practice sessions and streaks to build habit, plus optional community challenges for accountability.
Define success as weekly practice frequency sustained over 8 weeks (the point where most beginners typically quit) and self-reported skill milestones reached.

Names adult beginners with limited time as a specific segment, since their dropout pattern differs from motivated children in lessons.
Proposes real-time feedback as the core mechanic, addressing the actual reason people quit, lack of visible progress, not just content library size.
Defines success around sustained practice at the known dropout point (around 8 weeks) rather than generic engagement metrics.

Focusing on content library size (more songs, more lessons) instead of the real motivation and feedback problem.
Ignoring the well-known high early dropout rate for instrument learners.

How would you design feedback to work reliably with a phone microphone in a noisy room?
What would you do if streaks increase short-term use but not actual skill improvement?