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Tape Plugin by UVI
$99 / 99€
Mello Mello
Mello by UVI is a Virtual Instrument Audio Plugin and Soundware (samples or presets that load into other products) for macOS and Windows. It includes, and is therefore "powered by", UVI Workstation, which functions as a VST Plugin, an Audio Units Plugin and an AAX Plugin.
The OS and Format icons below are for the latest version of UVI Workstation. The version numbers are for Mello.
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30-Day: 8174; 7-Day: 9219; Yesterday: 4973

The Origins of Sampling - A Sound that Shaped the 60's

Hark back to the heyday of classic rock when one instrument stands above the rest, a 350lb behemoth that would forever change the way we think about making music. At the heart of this monster was an array of tape machines, one per note on the attached keyboard, each playing a uniquely recorded sound. With only 8 seconds of tape per key and a cumbersome frame this machine had its limitations but was nonetheless impressive for its time, boasting a multitimbral and truly polyphonic 'engine'. Instantly made famous by the Beatles hit 'Strawberry Fields Forever' and used by countless others including The Moody Blues, Rolling Stones, and prog rock legends Yes, this was the 'must-have' sound of the 60's. While its use fell out of fashion the implications it made have become fundamental to modern music production.

With Mello we've aimed to deliver a complete and authentic recreation of this prolific instrument. Dozens of original tapes were multi-sampled on 3 different machines in order to give you the best representation of each of the 28 available sounds. To capture the live experience the key noise and inner mechanical sounds were stereo recorded, including tape noise and key-off sounds, and are all mixable to taste.

To make Mello even more versatile we've added a few tricks of our own, including an analog-modeled tape delay, reverb, a custom unison mode to give you stereo sound without unwanted transposition or chorusing, a switchable multimode filter, a 3-band EQ and more.

Mello delivers a warm and buttery tone indistinguishable from the original and is, in every way we could make it, a perfect tribute to the quintessential studio instrument of the 60's.


  • Pristine and comprehensive sample library from 3 original machines.
  • Mixable key and mechanical noise for authentic experience.
  • Switchable keyboard range (original or extended).
  • Stereo modes including custom unison.
  • Switchable multimode filter with cutoff and resonance.
  • ADSR envelopes for amplitude and filter with velocity sensitivity.
  • 3-band EQ with sweepable mid frequency.
  • Built-in SparkVerb.
  • Analog-modeled tape delay.

Included Sounds:

  • Brass.
  • CelestaAndVoice.
  • Cello1.
  • Cello2.
  • ChoirFemale.
  • ChoirMale.
  • ChoirTron.
  • ChurchOrgan1.
  • ChurchOrgan2.
  • ChurchOrgan3.
  • Clarinet.
  • Flute1.
  • Flute2.
  • Sax.
  • Guit12Str.
  • GuitElectricA.
  • GuitElectricB.
  • GuitSpanish.
  • Harp.
  • Oboe.
  • Piano.
  • Strings1.
  • Strings2.
  • Strings3.
  • Strings4.
  • Vibraphone1.
  • Vibraphone2.
  • Viola.

Latest User Reviews

Average user rating of 5.00 from 1 review

Reviewed By Hewitt Huntwork
November 5, 2014

I love Mello.

The lo-fi nostalgia that comes from the 'tron is well known and has been sampled many times for various VSTis, but here in UVI's Mello I think it sounds the best. There are fewer patches than its competitors have included, but what is here has that sonic mojo that the Mellotron is known for. I hope to see UVI expand on the available sounds in the future.

This thing has a juicy, grungy, living tone that can add character to your productions. For even more vibe, I ran it through a rotary simulator and it just oozed out of the speakers. I was fortunate to once see Nosferatu and Phantom Of The Opera accompanied by a cinematic organist. Mello nails that old dramatic sound perfectly.

In addition to the soundbank selectors, there is a nice sounding fx section with reverb and delay, controls for tone and pitch, volume controls for key noise and mechanical noise, a 3 band eq, a switch to give you the full range of notes on your controller (original 'trons only played a couple of octaves), a few switches I didn't delve into, and an "under the hood" panel that lets you mess with ADSR and filter settings. All of this gives you a lot more ways to manipulate your sound than an actual Mellotron would, so that's not only fun to play with, but could result in some useful sounds as well.

I can't recommend it more highly.

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