Show HN: Muze – AI fitness music for personal, responsive workout playlists

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After years of upvoting others, I’m really excited to be able to share my first Show HN! Muze is our free app and service that learns from some of your favorite workout songs and artists, then uses our proprietary AI to generate new, on-demand workout playlists personalized for your individual tastes. Muze also includes a feature called BodySync which lets the playlists adapt to either your running pace, matching song tempos to your cadence, or to your heart rate, selecting tracks with intensities levels to match.

Research has shown (1) that 3/4 of people who workout regularly rely on music for motivation, and the right music has been shown to increase endurance by 20%. We want our users to spend less time making workout playlists and more time working out. Personally, it’s helped me get my own motivation back after getting doughy during the pandemic and am down 10 lbs in the past month.

Right now, Muze is only available for iOS and requires a paid Spotify account for full functionality. https://apple.co/3CIJG0o

1. [https://psycnet.apa.org/record/2010-19053-016](https://psycn...

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If you used and miss Spotify Run, Muze is a lot like that only WAY better. Not only is the music by real artists that you know and love, as well as new discoveries, but the responsive aspect is unlike anything else that’s come before.

Spotify Run measured your initial pace and then “locked in” and only played tracks at that tempo. With Muze, we adapt to your pace, so the faster you run, the faster the songs play to match. Matching music tempo to a runners steps per minute proved to be a difficult challenge, but it makes such a difference to maintain pace and push through tough spots.

If you try it out, please let me know your thoughts and feedback. I’d love to know whether we’re hitting or missing the mark.