While there is no formal academic paper titled "Incredibox Mod Maker Extra Quality," the "extra quality" or high-tier modding standards you're looking for are detailed in comprehensive community guides and technical documentation from the official Incredimods section

  1. Concept and references

    Troubleshooting Common Quality Killers

    Conclusion

    "Create professional, studio-quality Incredibox mods with an intuitive custom interface."

    • Melody (Slots 1-5): Pianos, leads, arpeggios.
    • Effects (Slots 6-10): Risers, impacts, sweeps.
    • Percussion (Slots 11-15): Kicks, snares, hi-hats.
    • Voices (Slots 16-20): Vocal chops, beatboxing, hooks.