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 DM-307 - Modern Groove Designer by Heavyocity is a Virtual Instrument Audio Plugin and Soundware (e.g. samples or presets that load into other products). It includes, and is therefore "powered by", Kontakt Player, which functions as a VST Plugin, an Audio Units Plugin and an AAX Plugin.
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Product DM-307 - Modern Groove Designer
Developer Heavyocity
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This product is "Powered By" Kontakt Player. The OS and Format icons listed below should be accurate for the latest version of Kontakt Player.
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DM-307 Modern Groove Designer - a highly stylized collection of modular synth drums, live percussion and processed classic analog drum machines. This new virtual instrument introduces ways to quickly and easily create production-ready grooves and beats in a variety of contemporary musical styles; including electronic, hip hop, industrial, ethnic and cinematic.

As the successor to Heavyocity's award-winning Evolve, DAMAGE and AEON Collection virtual instruments, DM-307 offers 3600+ samples weighing in at 7+ GB of source material.

Heavyocity's DM-307 contains over 200 playable presets of drums, FX and sound design elements. There are more than 1200 beat-sliced loops organized by style that can be mixed and matched to create complex layered beats and percussion beds.

In addition to the kits and loops, DM-307 showcases 250+ signature multis, allowing users to tweak beats created by Heavyocity and some of today's top DJ/producers: Kaiserdisco, Martin Eyerer, Mendo, Pirupa and Uner; and notable cinematic composers: Joe Trapanese, Jason Graves and Kevin Riepl.

DM-307's content is complemented by an interface featuring the all-new Grid sequencer, advanced Trigger FX and signature Punish knob . With DM-307's Loop Mutator technology users can quickly sequence, re-compose and manipulate loops.

Latest User Reviews Average user rating of 4.00 from 1 review

Reviewed By kevvvvv
February 20, 2014


I'd like to make it clear that I'm not a natural drummer, far from it.

This review is about my experience using DM-307 from a workflow, usability and results point of view - and not a rehash of the spec which anyone can look up.

I own BFD & Geist and have tried numerous other drum machines, and never had any consistent luck with any of them - which might be my fault - but that's the way it is.


DM-307 is a great tool for non-drummers (like me) who need a quick route to great sounding beats.

I'm fed up with using regular one-dimensional loop stems - as the basic groove might be good sounding, but there's v little that can be done to change the beatz without awkward non-intuitive detailed editing and effects.

So fills, ramps, builds etc are possible but v fiddly, and prone to make glitches - and they take too long to do.

DM 307 makes all this easy & quick with an exceptionally intuitive workflow.

Actually, it's more than easy. It's fantastic how well Heavyocity do it.

The ample supply of loops can be accessed as:

> individual loops.

> loop menus.

> pre-arranged loop sequences called Kit Grooves.


All Loops come with a variety of trigger keys to add interest.

Around 8 FX triggers and 8 Mutator keyswitches - so without having to deep edit there's instant gratification from simply pressing keyswitches and hearing instant changes.

Heavyocity have done all the work here - hooray.

It's easy to dig into a loop and rearrange the slices to suit, or pile on fx, as everything is there on the page - with no deep menu digging required to produce original-sounding quality results.

Each loop comes with 8 variations pre-built.

So multiply 8 variations by 8 Mutators and 8 FX keyswitches, and you'll see a whole pile of variations are instantly possibly - all playable on the fly or by MIDI note from your DAW.

It literally works out of the box.

How cool is that.


Load a Kit Groove and start playing. The tune is almost there.

A Kit Groove is a preset of 4-8 related patterns that make up the groove.

There's an inbuilt Pattern Sequencer which can handle up to 8 patterns in any order you choose, using The Chainer - so you can loop, repeat, playback in any order that suits your tune.

For any drum sound (kick, snare etc) you can audition from 8 alternative sounds simply by dragging a slider. Voom. Done. New kick.

I like this level of quick customisation.

The choice is restricted to 8 (I think) alternative related sounds (kick1, kick2, etc) to their default kit piece included in the groove.

This beats scrolling through a huge directory of far-too-many kit piece replacement possibilities, which always kills me off.

It's easy enough to create your own patterns by editing the existing patterns. V quick.

The patterns (sorry, Kit Grooves) come as nki presets - lots of them.

And you can trigger the 8 keyswitch effects any time.

Or create your own keyswitches (for when you need that special rise, etc)

And you can create multis with multiple sequencers and kits.


There are a bunch of effects pre-built in. What you'd expect to find in 2014.

They're fine and they do the job.

What's good is that you can apply the effects locally or globally or anyway you want, and do it easily.

So you can work on the fly and enjoy listening instead of hunting through directories of effects, loading them etc.

They also have Punisher and Twister big knobs to play with which, between them, can suitably refine or wreck your sound depending on what you're looking for.


Top modern samples here.

The presets are a bit verby (movie verb), but it's easy to get rid of the verb (one click) either selectively or globally.

You get Heavyocity build quality which says a lot.

Consider: V few sample houses get a Kontakt recommendation. NI actually put Heavyocity right there next to their own for-sale sample sets. That's a lot of trust.

Which means great quality - for you - but at a price.

The sounds can be used for literally anything except v specialist projects.

They're all neatly categorised into genres - with a good range from nearly straight Rock to totally messed-up Dubstep (yummy)

The consistent quality of the sounds is impressive. I haven't noticed any duds yet.

I'm almost tempted to say "Omnisphere quality".


If you're not a natural drum player - or even if you are - I'd recommend getting DM-307 if your wallet can stand it.

It's a workflow to dream about.

My feeling is that a great GUI invariably means a great app. They go together.

So DM-307 is beautiful, usable, fast to work with, and sounds very good.

You owe it to yourself to at least check out the video demos,and soundcloud mp3s to understand the new possibilities that can be achieved.

For me, Heavyocity have finally thought-out the drum machine properly.

It's precise, deep, superficial, organised and sexy with tons of top pro sounds and grooves.

I'd cry if mine was taken away :)

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DM-307 - Modern Groove Designer

Average user rating of 4.00 from 1 review

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