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This is an article about the Prima software for the VOCALOID2 engine.


According to Zero-G, they looked at what was missing and decided that there was a gap for a classical soprano voice. This voice type was decided during MIRIAM's release, along with a choir type voice.[1] Prima's voice provider was a singer who answered an advertisement that was placed on a music academy website.

After some test samples in the VOCALOID software, they decided to go ahead and record her voice for the VOCALOID2 software.[2] Demos released for her included "Lakme Flower duet Delibes," amongst others.

She was unveiled to the general public in Feb 2007 and was originally set for a Spring 2007 release.[3] Prima was first demonstrated along with Sweet ANN and BIG AL at the NAMM show in 2007.

Taiwan ReleaseEdit

Prima was released into Taiwan by e-capsule. She received a new boxart and was featured in a demo that had both a long and short version, "Entrust."

Final RetirementEdit

At the end of 2015, it was announced that from March 31st 2016, VOCALOID2 was being retired and no new serial codes were be issued by Yamaha. Zero-G announced that they would continue to issue import codes to legitimate owners of Prima, SONiKA and Tonio.[4]

Product InformationEdit



Mon Coeur S'Ouvre YouTube Zero-G
Lakme Flower Duet YouTube Zero-G
Voi Che Sapete YouTube Zero-G
Ave Maria by Gounod YouTube Zero-G
The Return YouTube Zero-G

E-Capsule DemonstrationsEdit


Entrust (short version) YouTube
Entrust YouTube


  • Windows XP/Vista 32bit
    • (Windows 7 is not officially supported; 64bit is NOT SUPPORTED),
  • Pentium 4 2 GHz/ Athlon XP 2000, 512 MB RAM
    • (1GB of RAM recommended)
    • (2 GB or more recommended when using VSTi realtime)·
  • Approx 4 GB Free Hard Disk Space / DVD Drive.

Voicebank LibrariesEdit

Product Information
  Genre: Opera and New Age  Tempo: 75~160BPM  Range: Eb3~E5
Package details
Prima has the voice of a professional Soprano opera singer. Her partner vocal is Tonio.

In 2016, EmpathP spoke on Prima. She noted her voice was both a first for Vocaloid as nothing had been heard like her before and she was a turning point overall in Vocaloid production.[5] Her significance led to the possibilities that instead of creating just a basic singer, "styles" were possible and that in her opinion, Prima stretched the showed the potential of VOCALOID2.[6][7]

Her software comes with VSQ files "Lakme Flower Duet Delibes" and "Voi Che Sapete."

Vocal traits as noted:
  • She can hit high notes with accuracy and ease.
  • She is also the only VOCALOID2 voicebank that can match Hatsune Miku on high notes, and both tie for highest VOCALOID2 optimum range at #E5. Prima is also capable of reaching notes that some real singers have difficulty reaching.[8]
  • She also has the largest optimum vocal range of any English VOCALOID2 voicebank.
  • She has one of the most powerful-sounding voices of the VOCALOID2 voicebanks and favors long, drawn-out notes, having a good note ascension.
  • Her treble range is powerful and louder, she has sharp pronunciation, thus is why she is able to produce high quality singing results in the higher ranges.
  • Her bass range is quite strong with the same sharp pronunciations, but in comparison is quieter sounding.
  • Her vocals blend together fairly easily when used correctly, and is one of the smoother English capable VOCALOID. Many consider her one of the most natural sounding for the English capable VOCALOID in the VOCALOID2 range, if not, she is the most natural sounding.
  • Prima is one of the hardest VOCALOID to work with, as she is grounded to her opera-esque style of singing. Prima was ranked as a more difficult VOCALOID to use in Japan than Kagamines Rin/Len's original package.[9]
  • Prima was noted for having less overall clarity than Sweet ANN, but producing better quality singing results.
Phonetic notes as noted:
  • Prima did not have a standard English voicebank database and had a customized library with additional content.[10] She had a trilled "R" sound, which was added to allow her to be able to mimic opera better.
  • Prima was also the first English capable VOCALOID with the ability to make breaths ([br1] to [br5]). She is also the only Zero-G VOCALOID2 who is able to make them, and is also the English VOCALOID2 female voicebank with such besides Megurine Luka.
  • Her bass contains issues with ground noise loop which can be heard when using certain phonetic sounds ("v" and "n", for example).
Software issues as noted:
  • Prima became famous for an issue related to the VOCALOID2 engine, which would render the VOCALOID2 editor unable to be opened when older VOCALOIDs were installed over newer ones. The cause of the problem was simply that Prima did not share the same version of VOCALOID2 as previous VOCALOID2's did, like Sweet ANN, Hatsune Miku and Kagamine Rin/Len.
  • There may be some issues with installing Prima on a 64-bit system as the installer for her software refuses to open on certain versions of Windows. According to Zero-G, installing Tonio first, and then Prima, will fix this. Prima works in Windows 7 in 32-bit mode.
  • Sound on sound writer Tom Flint raised some points during Tonio's review about the genre of opera-based VOCALOIDs. As quoted in a statement on Tonio, it was noted, "...just sounds odd when colored with an electronic effect," as the opera effect just sounds too robotic.[11]
  • A 2.40+ GBs, Prima installed version, Prima's sample database has the largest Hard drive consumption of any single Vocal for VOCALOID2.
Voicebank sample



Prima singing in her raw state


Demo VersionEdit

A demo version was planned to be released on the Zero-G website; however, it was cancelled and never added.


  1. [1] New York Times - Could I Get That Song in Elvis, Please?
  2. [2] VocaloidOtaku - Questions Targeted at Zero-G/PowerFX
  3. link
  4. link
  5. link
  6. link
  7. link
  8. Note on Prima's reach
  9. link
  10. link
  11. Sound on Sound review; Tonio


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