4tr

4tr

Four photos become one song

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Free

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Released
November 6, 2026
Updated
November 6, 2026

Features

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About

Four photos become one song. A view from your travels, or an everyday moment. The photos you choose become a song about a minute long, made only for you. Turn your song into a video and share it on social media. ■ How it works Your first photo sets the arrangement, the tempo, the backing instruments, and how the sound echoes. Each photo you add, the second and then the third, layers in new sounds. With four photos, your song is complete. ■ What you can do ・Export your song as a video or an audio file. ・Two video styles: "four in one" puts all four photos in a single frame, and "one by one" shows them one after another. With "one by one", you can add a short line of English text to each photo. ・Your songs are saved to a list automatically, and you can play them back to back. Gather the songs you mark GOOD, and you have your own best-of album. ・Want only quiet songs? Turn on QUIET mode. 4tr will make only solo piano pieces or quiet songs without drums. ■ About 4tr 4tr was made with old MTRs (multitrack recorders) in mind: machines that layer sound on four tracks to make one song. Old recorders didn't let you re-record freely, over and over. In 4tr, too, you can swap a photo only a set number of times. It's a deliberate choice, so that you pick the one photo that holds this moment. Terms of Use: https://sea-song-label.com/apps/4tr/terms Privacy Policy: https://sea-song-label.com/apps/4tr/privacy License Agreement (Apple standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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What's New in 4tr

1.0

November 6, 2026