Different Styles Grades 4 – 6 So youâve probably checked out the Different Styles Grades 1 -3 pack. Itâs time to step up a notch. There are backing track accompaniments in the âAudio Resourcesâ section in the Members Area. It’s time to get your groove on. To view this content, you need to have JavaScript enabled in your browser.To do so, please follow these instructions. Loading... Name Size Modified Ascending Descending Thumbnails view List view No options...