MDrummer Essentials Essentials pack is mandatory for MDrummer to work. It contains all the main resources - drumsets, rhythms, loops, samples... There are no studio acoustic drum and percussion libraries, but it contains a solid electronic drum library. Free MDrummer pack Download (1.1 GB) MD5: 0E0DD9C41C0559577D81CFB6B14100C5 MDrummer Essentials requires MDrummer or MSoundFactory to work. See installation notes for details.