Eventide H90 Harmonizer Usage Guide

Expert guidance for using the Eventide H90 device library in MIDI Markdown files.

When to Use This Skill

Invoke this skill when working with:

• Eventide H90 Harmonizer effects processor
• H90 program loading and bypass control
• HotSwitch parameter snapshots
• H90 expression pedal automation
• Performance parameters (Freeze, Warp, Repeat, Infinity)
• Dual algorithm control (Preset A/B)
• Firmware 1.9.4+ PC+CC bug workarounds

⚠️ CRITICAL: Read This First

Zero Default MIDI CC Assignments