Derrek has launched a free sound pack for the Serum synthesizer instrument by Xfer Records.
The marshmello style pack contains 33 drum samples, 14 Serum presets and 5 MIDI files.
Marshmallow Template for Serum Vol. 1 is a free download through PUMPYOURSOUND. Requires SoundCloud and Facebook account.
More information: Marshmellow Template for Serum Vol. 1
http://soundcloud.com/derrek-music/free-marshmallow-template-for-serum-future-bass-marshmello-style