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SIXTY turns any date into a short piece of music, worked out on your phone. Your birth date and hour shade the notes, so the same day sounds different for you than for anyone else. Sixty days make a full cycle.
Hi Product Hunt 👋
My older daughter was born on Qixi (Chinese Valentine's day). My younger one was born on February 14th. Both are Valentine's Day. One of those dates moves every year; the other never does. I spent a while trying to explain to people why that is, and it always turned into a lecture nobody asked for.
So I stopped explaining and turned it into sound instead.
SIXTY gives every date a short piece of music. Your birth date and hour shade the notes, so today sounds different for you than it does for me. Sixty days make a full cycle, and then it starts over.
There is no generative model in it. A date and your birth details run through a pure function to a note list, and the phone renders that with a sampled piano and a small additive synth. It is repeatable by design, not regenerated on each play, which also means it plays with no network. Your birth date stays on your phone and there is no sign-up.
Built during RevenueCat's Shipaton 2026.
Two things I would genuinely like to hear about: whether the first song makes sense without any explanation, and whether the second one makes you want a third. You can hear sixty of them in the browser before installing anything:
https://sixty.rollitinno.com/60/
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About SIXTY · 60 on Product Hunt
“Turn any date into music.”
SIXTY · 60 was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #55 on the daily leaderboard. SIXTY turns any date into a short piece of music, worked out on your phone. Your birth date and hour shade the notes, so the same day sounds different for you than for anyone else. Sixty days make a full cycle.
SIXTY · 60 was featured in iOS (110.8k followers), Design Tools (262.4k followers) and Music (53.6k followers) on Product Hunt. Together, these topics include over 92.8k products, making this a competitive space to launch in.
Who hunted SIXTY · 60?
SIXTY · 60 was hunted by Roy Chien. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Roy Chien