1. Raw voice (flat-tuned with Melodyne) 2. Mu Voice 1.4.0 (Mu Technologies)', 3. MIDI Choir 3.1 (Martin Vicanek) 4. ReaVoice (Cockos) + H949 Dual Harmonizer (Eventide) 5. Harmony Engine (Antares) 6. MHarmonizerMB (MeldaProduction) 7. Manipulator (Infected Mushroom) 8. PitchMonster (Devious Machines) + H949 Dual Harmonizer (Eventide) 9. VocalSynth 2 (iZotope) 10. OVox Stereo (Waves) 11. Crowd Chamber (QuikQuak) +PITCHMAP (Zynaptiq) 12. Graillon 2 (Auburn Sounds) 13. Waves Tune Real-Time Stereo (Waves) 14. CrispyTuner (CrispyAudio) 15. GSnap (GVST) 16. Pitchproof (Aegean Music) 17. Pitchwheel (QuikQuak) 18. Little AlterBoy (SoundToys) 19. ReaVoice (Cockos) 20. Kerovee (g200kg) 21. Sum of 11 to 20 22. Sum of 2 to 20