Joey Dee’s Bass Tools
Progression-based playing utility

Turn chord progressions into playable bass movement.

Choose a key, mode, progression, style, and density, then generate practical bassline ideas across the changes, along with neck mapping and variation.

Build a bassline

This tool generates line ideas across a progression instead of only over a single chord.

Progression overview

Generated bassline

Neck

This map reflects the currently generated movement.

How to use this line

Plain English

What to listen for