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RockStar Among Us
An interactive music learning app that teaches chord progression fundamentals through hands-on practice
since Jun 16, 2026 · HTTP 404
CohortClass of 2026What it is
An interactive music learning app that teaches chord progression fundamentals through hands-on practice. Users can explore and play chord progressions in various musical genres to develop their understanding of harmonic theory. Designed for Android devices to make music education accessible and engaging.
HTTP liveness
9 probes since Jun 16Jun 16Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — downDead · 404
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Pulse Indexobserved activity
9 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
550 products launched in 2026 · 100% still active
550 active0 sunset
Still active
100%
Median lifespan
4.9y