OpenAI Build Week · Apps for Your Life

Every language
becomes singable.

Automatic, live sing-along captions for international music—recognized from the room and translated into timing you can feel.

No searching. No song selection.

✦

Give Lyrony a little layupPlay one of our certified test tracks from another device or speaker.

JPAoi, Koi, Daidaiiro No HiMASS OF THE FERMENTING DREGS↗KRDNABTS↗ENCheerleader · Felix Jaehn RemixOMI↗

Pair physical displayPhone mic → private live caption relay

optional

Open the generated link in Meta Web App testing or on a second device.

LIVE

Ready when the music is.Tap Start listening

Caption modewaiting

01Hear

Ambient audio is sampled automatically.

02Recognize

Recording and live-cover matching find the song.

03Understand

GPT-5.6 builds pronunciation-aware language layers.

04Sing

Color, motion, and length guide every syllable.