To mark the occasion, here is a collection of articles, labels and audio to celebrate the cassette format. Enjoy and thank you to Nick Sylvester of GODMODE for the nod in his article titled "It's Just a Cassette."
Secret Music: Exploring nine underground tape labels on the occasion of Cassette Store Day. By Jenn Pelly and Liz Pelly
Guide Me Little Tape
Cassette Store Day
Cairo Gang - Mix Tape #1 May 2013 (Teen River)