Its a music quiz which gives you a short sample of the beginning of a song from a decade.
https://heardledecades.com/
My results for today:
[23/05/2024 19:42]
2000s X 1990 X 1980 2 seconds ! classic
[23/05/2024 19:43]
70s 8 secs guessed it but dont know it.
[23/05/2024 19:45]
60s a blank so 2/6
I'm pretty sure this has been done in the Wordle thread, along with Nerdle (maths), Quordle (4x wordle) and Octordle (8x wordle). There's loads of others too, I quite enjoy Worldle which is a guess the country type one.
I reckon you'd be best lumping this in with the wordle thread though.