Quad Cortex Signature Course Unlock the full potential of the Signature Preset Skip to Videos All | Signature Preset Essentials | Basic Operation | Tips & Tricks | Song Specific Tone Breakdowns | Song Specific Tone Breakdowns, Tone Breakdown - "Thank God I'm Free" This video walks through how I crafted the tones for “Thank God I’m Free” using my QC Signature V2 Preset.