An étude (French: [e.tyd]) . . .

is a study, an instrumental composition, usually short, designed to provide practice material for learning and growing musical skills. (WIKIPEDIA)

Every BASS COOKIE comes with custom audio tracks, video links and PDF files.  What sets one aside from normal bass lessons is the drop-dead-gorgeous play-along track crafted by Kai with love and care.  You won't want to stop playing !

Directly after purchase, a zipped folder will safely download to your device. Unzip it and enjoy Uncle Kai's Bass Cookie along with Kai's detailed playing instructions.  If you want more, get the XXL size that comes with extra goodies !