Some tunes to listen to for free, in total (there are 6 volumes) 6 hours of Kraftwerk remixes that will help you get through the Friday and start the weekend in a good mood.
If you’re into Kraftwerk, on the site of Nerdcore, there are some great instructions on how to play the songs on a Casio calculator.
Kraftwerk Kover Kollection Vol.1 by DJ Food
More volumes can be found on: DJ Food’s Soundcloud page