
EXPRESSIVE STRING MOTION
The String Flow Collection bundles three innovative libraries – Violin, Viola, and Cello – that transform chords into energetic, living performances. Each instrument captures a unique “rolling bow” technique, creating textures that breathe with organic motion.
From the shimmering Violin and warm Viola to the resonant Cello, this trio covers the full spectrum. The intelligent engine automatically voices complex chords, letting you play intricate, undulating backgrounds with a single key.
Get this expressive ensemble now for just $47.50 (reg. $135).
Available Formats: Kontakt (Full Version 5.8.1+)
Compatibility: macOS, Windows
Out of stock

When you need movement in a score, static sustains rarely cut it. You usually end up stacking generic ostinatos or spending hours drawing in tedious automation just to fake the feeling of a live player. Ben Osterhouse’s String Flow Collection takes a different approach by focusing on a specific, highly organic technique: the circular motion of a bow rolling across the strings. This isn't just another sampled sustain; it's a living, breathing performance tool designed to solve the problem of "robotic" arrangements. By capturing the nuance of how a player transitions between strings, the library provides a rhythmic pulse that feels intentional and artisanal. It bridges the gap between traditional orchestration and modern, hybrid scoring, giving you a way to introduce complexity without cluttering the frequency spectrum of your mix.
This collection captures the natural energy of a cellist, violist, and violinist performing chordal textures. Instead of rigid, mechanical repetitions, you get the fluid, slightly unpredictable motion that happens when a real musician interacts with their instrument. It’s the kind of sound that fills the gaps in a modern cinematic cue or adds a sophisticated layer to a folk or pop production without sounding like a "stock" library.
The beauty of this bundle is how it handles harmony. If you aren't a string player, figuring out how to voice these rolls can be tricky. Ben has simplified the process with two distinct ways to play. You can let the engine do the heavy lifting by selecting a key and playing the white keys similar to a smart harmonize script, but with every single harmony manually recorded for realism. For those who want total control, you can play specific chord voicings directly, utilizing the included MIDI clips to see exactly which shapes the instruments respond to.
High-quality, specialized string textures like these don't stay at this price forever. If you’ve been looking for a way to add authentic movement to your tracks without the headache of complex programming, now is the time to act. Add the String Flow Collection to your toolkit today and start composing with a more natural, fluid sound while this limited-time offer is still live.

Includes cello viola and violin in one bundle
Circular bowing technique creates natural rhythmic movement
Recorded chords ensure realistic string resonance and timbre
Play simple white keys to trigger key matched harmonies
Manual chord mode offers full control for advanced users
Includes midi clips to demonstrate compatible chord shapes
Real time keyswitching for instant voicing and inversion changes
Organic textures replace static sustains for cinematic scores
Built for full versions of Kontakt 5 and 6
Avoids mechanical repetition through authentic human performance
Seamlessly fits into modern pop and folk arrangements
Specialized toolkit for adding fluid energy to arrangements Out of stock
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