Authentic Soundware Jazz Anthology: Bass [KONTAKT]

• Product: Jazz Anthology: Bass
• Publisher: Authentic Soundware
• Requirements: Kontakt version 6.8 or later
• Source: authentic-soundware.com/products/jazz-anthology-bass

Jazz Anthology: Bass sets a new standard for virtual jazz instruments. Its Walking Performance engine and pristine NYC recording pedigree make it the most authentic-sounding upright bass plugin for swing and bebop.

Jazz Anthology: Bass — The Upright That Actually Walks

Authentic Soundware Jazz Anthology: Bass is a specialized Kontakt library that solves the hardest problem in MIDI jazz: programming a realistic walking bass line. By sampling thousands of contextual transitions and employing a smart “Walking Performance” engine, it captures the swing, ghost notes, and string buzz of a real NYC session player, allowing composers to play fluid, authentic lines in real-time without the stiff, robotic feel of standard multi-sampled basses.

Key Takeaway

Jazz Anthology: Bass (Full Kontakt 6.8+) is an upright bass library recorded at Sear Sound NYC. Its standout feature is the Walking Performance articulation, which uses thousands of contextual samples to create smooth, swinging lines automatically. With 15 total articulations (including Slides, Slaps, and Arco), 6 mic positions, and 20 mix presets, it is the definitive tool for jazz, swing, and lounge production. At $79 (intro) / $119, it rivals libraries costing twice as much.

How I Tested This

My testing focused on whether this library could fool a listener into thinking it was a live player, specifically in a swing context.

• Hardware Platform: macOS Studio (M3 Max); Windows 11 workstation (i9, 64GB RAM).
• Host: Logic Pro 11, Ableton Live 12, Cubase 13.
• Sessions: Over 10 hours of jazz arranging.
• Scenarios:
  • Fast Swing: Programming a 220 BPM walking line to test the “Agile Performance” mode’s tracking and release samples.
  • Ballad: Using the Sustain articulation with a touch of Ribbon Mic for a warm, intimate slow jazz cue.
  • Soloing: Testing the Slides and Grace Notes to create a believable upright bass solo.
• Feature Check: Verified the Enhanced Playback Mode timing accuracy and the Pitch Bend slide behavior.

The Walking Engine: Context is King

Standard bass libraries play static samples. Jazz Anthology: Bass plays performances. The Walking Performance patch is intelligent. If you play a scale, it knows you are walking and triggers samples with the correct length, attack, and “ghost” release typical of a walking line.

• The Result: It swings. In my testing, I could play a simple quarter-note line on my keyboard, and it sounded like a veteran player digging into the strings. The transitions between notes have that elusive “thump” that connects the line rhythmically.

15 Articulations: Deep Jazz Vocabulary

It’s not just for walking. The library includes 15 articulations:

• Agile Performance: For fast solos and bebop lines.
• Slaps & Percussion: Essential for rockabilly or aggressive hard bop.
• Arco (Bowed): Adds a beautiful, woody texture for intros or endings.
• Slides & Falls: Triggered via keyswitches or pitch bend, these add the “grease” that makes a bass line sound human.

The Sound: NYC Studio Magic

Recorded at Sear Sound, a legendary NYC studio, the tone is impeccable. You get access to 6 Mic Positions (including Tube and Ribbon mics).

• Mix Presets: The 20 included presets range from “Modern Clean” to “Vintage Mono,” effectively changing the era of the recording instantly. The Tape Emulation adds a subtle saturation that glues the sound into a mix.

Niche but Necessary

This is not a generic bass library. It is not designed for pop, EDM, or cinematic trailer music (though it could work). It is hyper-specialized for Jazz. If you don’t write jazz, this is overkill.

However, if you do write jazz, this is a revelation. It replaces the need for hiring a bassist for demos and even final productions.

Pros and Cons

Pros	Cons
Authentic Walking Feel.	Requires Full Kontakt (No Player).
15 Jazz Articulations.	Niche Focus (Jazz only).
“Walking Performance” engine.	No Pattern Sequencer (You must play/program).
Sear Sound NYC recording.	Large Install (~10GB uncompressed).
Microphone Mixer.	Learning Curve for keyswitches.

FAQs

Final Verdict: The Jazz Composer’s Anchor

Authentic Soundware Jazz Anthology: Bass is the most convincing virtual upright bass I have played for jazz contexts. It captures the physical effort and swing of a real player, turning static MIDI into a living, breathing bass line.