Hi, and welcome to the forum.
You might find it helpful to browse some of the links in here: resources
- Start by reading the BBM Quick Start Guide;
- To find the drum set that you need, check out “How to search the forum for … drum sets.”
Once you find the drum set, download, unzip and use the BBM File - Import - Drum sets and then activate it by clicking on the Drum sets tab, scrolling to the bottom of the list and checking the box.