In this video I *try* to describe how you create styles in the PATTERN mode of a Yamaha QY100 (the same applies for the QY70). Even though this video is 30 minutes long it's only a rather small excerpt from the whole topic. Patterns are more complex than songs, especially when it comes to chord adoption. So expect

Well, in case you think about getting a QY100 you can see various editors to enter notes and see some of the menus the mini workstation has.