Mercury Symphonic Boyschoir Falls to €224.50, and the Sale Ends 2 September
Mercury Symphonic Boyschoir is listed at €224.50 at Plugin Boutique, down from €374.17. That is €149.67 off Soundiron's flagship boy choir, the one that carries a full Latin word builder rather than the generic "ahh" and "ohh" patches most choir libraries stop at, and the discount runs through 2 September.
Checked against the store page on 25 August 2026. The vendor states the offer ends 2 September 2026. Prices move without notice, so confirm before you buy.
Buy it if a scene needs a choir to actually sing words, in a fantasy battle cue or a horror score, and you are willing to learn the word builder. Skip it if you only need a pad under strings, because that is a smaller and cheaper purchase.
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Most choir libraries give a composer stacked vowels and call it a day. Mercury Symphonic Boyschoir gives you a word builder that types out Latin syllables and has the choir sing the actual phrase, which is the difference between a pad and a section that can carry a line.
What Is Actually In It
A boy's choir recorded with Soundiron's usual depth, running in full Kontakt rather than the free player, at around fourteen gigabytes on disk. It ships legato patches, the Latin word builder, and an effects section built for clusters and drones rather than melody.
The legato is the part worth knowing about before the word builder. It holds up through faster runs than most adult choir libraries manage, which matters the moment a cue needs the choir to do more than sustain a chord under the brass.
The Word Builder Is the Reason to Own This One
Programming a phrase takes longer than loading an "ahh" patch, and the payoff is a choir that can carry actual lyric content rather than texture. That is the capability that separates this from the cheaper choir options on the market, and it is the reason our boy choir roundup points here whenever a cue needs words rather than a wash.
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The Real Costs
Fourteen gigabytes and full Kontakt, not Kontakt Player, so it does not drop into a Player-only template the way a lot of competing choirs do. The tone itself leans disciplined and airy rather than eerie by default, so a horror cue built entirely on the out-of-the-box patches will need the effects section doing real work, not just a reverb on top.
Feed prices exclude VAT, so checkout may read a little higher than the number above.
Who Should Buy This
Composers scoring fantasy battles, epic trailers or horror who need a choir that sings specific syllables rather than a generic pad, and who have the patience to learn a word builder before it pays off. The full field of choir libraries, including cheaper options that skip the word builder entirely, is in the best boy choirs roundup. Skip this one if a stacked "ahh" already covers what your template needs.
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Louis Raveton
Louis works across immersive scores (Venice Biennale, LVMH) and animation (Canal+), while producing Downtempo and Electro-Dub as Monsieur Shwill and Flagada. He treats his sample drive like a record collection, constantly hunting for the perfect 'imperfect' texture