Audio Demos
- Onwards J. Gabriel Rodrigues
- Run! Henning Nugel
- Mask Of Madness Pixelee
- Aerial Attack Brad Jerkins
- The Army Gathers Christopher Siu
- African Rituals The Wild Tusker Music Production
- Oasis Mahmoud Altaf
- Helium Javier Arnanz
- The Mirage Lawson Madlener
- Onwards (Library Only) J. Gabriel Rodrigues
- Run! (Library Only) Henning Nugel
- The Army Gathers (Library Only) Christopher Siu
- Helium (Library Only) Javier Arnanz
Product Info
Over 400 multi-stem epic and world percussion loops
Dynamic and expressive looped performances by drum ensembles and soloists. Each loop is broken into up to 6 individual stems, from low to high frequency. Dial in EQ and mic mix right from the same interface.
Over 19,000 16 & 24-bit samples
Recorded in an orchestral hall with close and hall mic mixes, allowing you to dial in a focused and punchy sound or epic & reverberant.
Easy to play and trigger
Each time signature has its own NKI patch with one loop per MIDI note. Hold the note to play – that’s it. Use the simple UI, or tap mute keys, to turn stems on and off.
Flexible and adaptable for multiple tempos & time signatures
6 categories of time signatures (3/4, 4/4, 5/4, 6/8, 7/8, 12/8); every single performance recorded at 72, 90, 112, and 140bpm to seamlessly match just about any host tempo.
Playable end hit samples
Easily end any loop with a variety of oneshot hit samples built right into each patch. These single strikes are categorized into low, mid, and high just like the full stems. Or, use the “Hit on Release” option to automatically play a hit when the loop stops.
Drag-and-drop drop .WAV files included
Use the entirety of the library’s content in our streamlined performance & stem engine… or use the included WAVs directly in your DAW or in any sampler/synth of your choice for further sound design.
Features
Modern, gorgeous UI
Up to 6 mixable stems per performance
Syncs to virtually any host BPM
Adjustable start and end points
25+ built in FX with 8 insert slots
Requirements
22 GB disk space
7200 RPM hard drive or solid state drive recommended. You can delete the 16-bit OR 24-bit samples to save space.
4 GB RAM
Higher amounts of memory let you load more instruments.
Kontakt 5.8.1+ (Full) required
Your system must also meet the requirements for version 5.8.1 of Kontakt (Full), NOT the free Kontakt Player. If you cannot run that version, you will not be able to load this library.
Kontakt Requirements - Mac OS
Intel Macs (i5 or higher): macOS 10.11-10.15, 11, 12 or higher
Apple Silicon Macs (via Rosetta 2 & natively on ARM in Standalone or in hosts that support it): macOS 11, 12 or 13 (latest update).
Kontakt Requirements - Windows
Windows: Windows 7, 8, 10 or 11 (latest Service Pack), Intel Core i5 or equivalent CPU, 2 GB RAM. Graphics hardware support for OpenGL 2.1 or higher. Windows 10 strongly recommended.
Tutorials
Library Walkthrough
Featured Artists & Composers

Kevin Manthei
Angry Birds Mystery Island, Marvel’s Spider-Man, Villainous, Neverwinter, Star Trek Online
"ISW creates some of the most inspiring & realistic guitar sample libraries. I had to write a bunch of really gritty, angry heavy metal & sports action rock cues. I used Shreddage 3 Serpent for leads and was blown away by its onboard processing, programming, and amazing live-sounding leads. I also created a signature sound based on the lead guitar in David Lynch's Twin Peaks series, originally played on baritone guitar. [Serpent] built a convincing replica of that sound just using on-board FX. It was so fun and easy to do!"

Jeff Broadbent
Assassin’s Creed Identity, Call of Duty Mobile, Resident Evil, Diablo Immortal, Transformers: Dark of the Moon
"ISW creates amazing, creative, and intuitive virtual instruments! I’ve enjoyed using them for over a decade, and they have found their way into many of my music scores. Their wonderfully realistic world instruments showed up in a recent Nexon video game, Shreddage 3 Stratus on the score for Grid, and Super Audio Boy is a favorite for retro sounds, effects, and fun nostalgia. Highly recommended!"

Jimmy Hinson
Black Ops 4, Mass Effect 2, There Came An Echo, Borderlands 2
“Between Shreddage, Super Audio Cart, Juggernaut, and Mega Brass I don’t remember the last time I haven’t used an Impact Soundworks instrument in a track. The attention to detail is astonishing and it’s all so easy to use out of the box, which is a big deal.”
Cue Builders: Cinematic Rhythms is a busy composer’s dream library. Unlike most standard phrase-based libraries, Cue Builders allows you to edit individual stems within a phrase to suit your needs exactly, while still retaining the realism, convenience and ease-of-use of
A hand-picked team of 10 sound designers from around the world constructed these phrases using our vast boutique collection of meticulously deep-sampled percussion instruments, recorded on a scoring stage. This unique method allowed us to include several valuable features: (1) two microphone positions (close and hall), (2) perfectly synced and fully mixable stems that can be exported individually, (3) phrases exported at four BPM for exceptional quality regardless of your project’s tempo. For convenience, all phrases are also available as drag-and-drop .wav files.
Each of the patches below contains a variety of percussion loops.
- Epic Rhythms 3/4
- Epic Rhythms 4/4 A
- Epic Rhythms 4/4 B
- Epic Rhythms 5/4
- Epic Rhythms 6/8
- Epic Rhythms 7/8
- Epic Rhythms 12/8
- World Rhythms 3/4
- World Rhythms 4/4 A
- World Rhythms 4/4 B
- World Rhythms 5/4
- World Rhythms 6/8
- World Rhythms 7/8
- World Rhythms 12/8
Reviews
Cue Builders: Cinematic Rhythms – StrongMocha
“Cue Builders Cinematic Rhythms is perfect for any composer and producer who need World or Epic beats quickly. All with the added large extent of possible customization makes this a unique and incredible offering.”
-Thorsten Meyer (StrongMocha)
Cue Builders: Cinematic Rhythms – Sample Library Review
“Need to add world beats or epic rhythms in a time-crunch? You gotta check out Red Room Audio’s new Cue Builder library for Kontakt. Epic, Powerful and Full of Energy “Cinematic Rhythms” takes the Kontakt performance-based library and makes HUGE leaps in improving playback, flexibility and control.”
-Don Bodin (Sample Library Review)
Cue Builders: Cinematic Rhythms – KK-Access
“This is actually a rather rare occasion where my fingers are unable to type any genuine words of criticism, basically if the style of rhythms and sounds included in CUE BUILDERS CINEMATIC RHYTHMS fit in with your music needs, then it’s a great addition to your library collection and musical palette!”
-Chris Ankin (KK-Access)