Find your best festival VS RoamAround.io

Not quite what you're looking for, but perhaps a start: you could use Festival Finder, then find Glastonbury and it'll tell you your top matching artists. It can also spit you out a playlist of the artists playing the fest that you've listened to on Spotify. Source: 12 months ago

Https://festivalfinder.co/ - Compare the bands and artists you follow with over 1000 festivals all over the world to find the one that matches you perfectly. Source: almost 2 years ago

Roamaround.io is a basic version of this. Source: 11 months ago

Roamaround.io -It allows you to select your destination city and provides you with a comprehensive travel plan that covers everything from must-see attractions and landmarks to local restaurants and cafes. The platform uses advanced algorithms to curate personalized itineraries based on your interests, budget, and travel preferences. Source: about 1 year ago

I recently heard of roamaround.io for making travel itineraries. I haven't used it to plan any trips yet but thought I'd give it a shot for Iceland this Spring. Source: about 1 year ago