The is a SoundFont (.sf2) format sample library, originally curated and refined to provide a versatile, playable electric guitar sound. It is a direct successor to earlier, simpler soundfonts and was notably popularized by Toby Fox for composing the heavily distorted guitar tracks in the Undertale soundtrack.

In the world of MIDI composition and home recording, the guitar remains one of the most difficult instruments to emulate virtually. While pianos and orchestral strings have seen massive leaps in realism via physical modeling and massive sample libraries, the guitar—with its fret noise, strumming mechanics, and tonal variations—often sounds stiff and artificial.

The primary mirror for the original SoundFont can be found on Musical Artifacts , maintained by the community.

The Ultimate Guitar Kit 2 Soundfont (UGK2) is one of the most popular, versatile, and enduring free soundfonts for producing realistic acoustic and electric guitar tones in MIDI sequencing software. If you want high-quality guitar tracks without buying expensive virtual instruments (VSTs) or recording a real guitarist, this lightweight SF2 file is an exceptional solution.

Designed as a "DI" (Direct Injection) kit, it provides clean, unprocessed samples intended for use with external amp simulators and effects.

Never let your MIDI notes sit at the exact same volume. Use your DAW's "humanize" function or manually adjust the velocity of individual notes to mirror the natural ebb and flow of a human hand picking strings. Ultimate Guitar Kit 2 vs. Modern VSTs

The community has been asking for for years. Desired features include:

From the speakers, still humming with power, he heard a faint sound. Not a hum. Not a hiss. It was the near-silent squeak of a fingertip, adjusting its position on a steel string.

Essential articulations like palm mutes and natural harmonics that add realism to sequences. Why Use a SoundFont in the Modern Era?

If you want a roaring electric guitar tone, route the UGK2 track through an . Free options like IK Multimedia AmpliTube Custom Shop , Guitar Rig 7 Player , or Neural Amp Modeler (NAM) will instantly convert the clean samples into heavy rock rhythms or searing lead solos. Polishing Acoustic Tones For a crisp acoustic mix:

Apply a small room or plate reverb to give the dry samples a realistic physical space. Summary: Pros and Cons Completely free and lightweight Requires a third-party player plugin in some DAWs Excellent velocity layers for natural dynamics Lacks advanced scripting found in $200+ VSTs Incredibly versatile (Acoustic to Heavy Metal) Requires manual MIDI editing for convincing strums Runs flawlessly on older or low-spec computers

Here is a look at some of the performative techniques built into the kit: