These are fun barcodes that you can use to share songs with the Spotify app using the scan feature in the search.

Use the included PDF guide to generate your own keychain with the OnShape document below.

https://cad.onshape.com/documents/2f003bbe0e2cf365a1c14acb/w/c58f233fdbcd7d5ca2154985/e/d7387f1831abe7f673abf53d?renderMode=0&uiState=6485f0c17d58ed0c860c3e78

I am not affiliated with Spotify in any way.  I just like this concept and use their service.

For more information on their codes:

https://www.spotifycodes.com/#