Search for the phrase on Instagram or Facebook.
If you can tell me where you first heard about this mix (e.g., a specific social media post, a friend, a music blog), I might be able to help you track down the specific artist or tracklist.
Search for "Orkbisko" or "Orkbisko retro mix".
Search for "Orkbisko band retro mix 2020".
Based on a search, this specific phrase does not correspond to a widely recognized public music mix, band, or album currently indexed in search results [1].