Free Pro access · limited time

More music.
More possibilities.

Turn a musical idea into something you can see, hear, and play. A whole workshop of melody, harmony, and practice tools, in one place.

No credit card. No automatic charges. Just music.

Inside the workshop 01 / Line Lab
Line Lab with music notation, guitar TAB, and a fretboard for exploring a line
Build a line. Hear it. Make it your own.

Your way into the workshop

Start curious. Go as deep as you like.

For a limited time, every new account includes free Pro preview access. Choose your starting plan below.

Take a look around

Explore

Open to everyone

Start playing and listening before you make an account.

  • Barry Universe, Ear Training & Chart Maker
  • Starter Line Lab and Ingredients exercises in C
  • Major/minor 6 diminished in C with Scales of Chords
  • Drop 2 exercises in the Voicing, Borrowing & Interval Trainers
  • Starter Contrary Motion exercises
  • Major Blues & Blue Bossa in Scale Outlines
  • Basic LiveFrets MIDI display
Explore without signing up

Start anywhere. Join whenever you’re ready.

Build a practice habit

Free

$0 · free plan

Practice in more keys, explore core sounds, and keep track of your repertoire.

  • Everything in Explore
  • Single-ingredient major and dominant practice in all keys
  • Major/minor 6 diminished in all keys, with thirds, triads, High Shell & Drop 2 in Scales of Chords
  • Line Lab’s Basics, Beautiful, Barry & Bird modes, core progressions and ingredient choices in all keys
  • Thirds, triads & High Shell exercises in the three trainers
  • Full Contrary Motion Trainer & LiveFrets Display
  • Transpose Major Blues & Blue Bossa outlines
  • Harmony Explorer’s default study & JazzRep repertoire tracking

Includes the free Pro preview while the introductory offer lasts.

Free for a limited time

Pro

$0 · during the preview

Shape your own lines, connect ingredients, and explore deeper harmony.

  • Everything in Free
  • Line Lab’s full modes, progressions and vocabulary, plus bar editing & phrase settings
  • Ingredients chains, additional scales & ingredient options
  • More Scales of Chords voicings, borrowing, practice modes & MIDI control
  • Additional scales, voicings & exercise settings in the Voicing, Borrowing & Interval Trainers
  • Full Scale Outlines library, creation & editing
  • Build and edit studies in Harmony Explorer
  • Add personal tunes & YouTube links in JazzRep

No card required. No automatic paid subscription.

These are the regular Free and Pro feature levels. During the introductory preview, either account choice also includes the Pro features. In the apps, Free means sign in with a free account; Pro means Pro access is required.

Melody and repertoire study

Line Lab

Build and inspect a single musical line.

Access: Basic exploration is public. Free adds core practice; Pro adds advanced choices and editing.

Scale Outlines

Follow scale movement through a tune or form.

Access: Basic outlines are public. Free adds transposition; Pro adds the full library and authoring.

Experimental Alpha

Ingredients

Explore the small moves that connect a line.

Access: Basic exploration is public. Free adds keys; Pro adds advanced resources and chains.

Harmony and voicings

Scales of Chords

See and hear movement within a scale of chords.

Access: Basic exploration is public. Free adds core practice; Pro adds advanced resources and settings.

Alpha · Experimental

Harmony Explorer

Explore scale-of-chords movement over changes.

Access: Sign in for the default study. Pro adds other studies and authoring.

Barry Universe

Trace the connections between diminished parents and chord families.

Access: Open to everyone.

Listening and interactive trainers

Voicing Trainer

Find the missing notes in a voicing.

Access: Basic questions are public. Free adds core practice; Pro adds advanced exercise settings.

Borrowing Trainer

Find the note a chord tone borrows above or below.

Access: Basic questions are public. Free adds core practice; Pro adds advanced exercise settings.

Interval Trainer

Locate chord-tone intervals inside a voicing.

Access: Basic questions are public. Free adds core practice; Pro adds advanced exercise settings.

Contrary Motion

Explore contrary motion through voicings.

Access: Basic challenges are public. Sign in for the full trainer.

Teaching and organization

JazzRep

Keep your repertoire and listening references organized.

Access: Sign in to track repertoire. Pro adds personal tunes and listening links.

LiveFrets Display

Display live MIDI notes for teaching and casting.

Access: Basic display is public. Sign in for full Display access. Private LiveFrets is separate.

See every tool and guide

Less abstract. More hands-on.

From “what if?”
to “I can hear it.”

Work with the small pieces of the language, see how they connect, and take the sound back to your instrument.

An independent project by Birdsnake Brown, built around the ideas of Barry Harris.

Scales of Chords with voicings, notation, and a piano view
See the harmony. Move through a scale of chords.
Ingredients showing a musical figure in notation and on the fretboard
Find the language. Practice the pieces that connect a line.

A few things to know

Come for the curiosity.
Stay for the practice.

What does free Pro access mean?

During this introductory period, signing up with either plan gives you a free preview of Pro. You can try the Pro features listed above as well as everything on Free. LiveFrets Display and the full Contrary Motion Trainer are already included with Free.

What happens when the offer ends?

There’s no announced end date yet. No money will be taken automatically. The Free plan will remain an option, and any future paid upgrade will require you to choose it.

Do I need an account to try the site?

No. Barry Universe, Ear Training, and Chart Maker are open without an account. Other practice tools offer starter exercises without signing in. Join Free for more keys and core features, or use the introductory Pro preview for deeper authoring.

What does Free include in Line Lab?

Basics, Beautiful, Barry and Bird modes in all keys, with the core progression collection. You can select and require ingredients from the included ABCs, ABC Combos, Barry, Bird and supporting diminished packs where the mode supports them. Other modes and resources, bar editing and deeper phrase settings require Pro.

How do Ingredients and Scales of Chords differ by plan?

Free Ingredients practice uses one ingredient at a time in major or dominant, in any key. Pro adds ingredient chains, more scales and resources, and ingredient and rhythm options. Free Scales of Chords includes major/minor 6 diminished in all keys with thirds, triads, High Shell and Drop 2. Pro adds other scales and voicings, including Drop 3, plus borrowing, advanced movement and practice settings, and MIDI control.

Which trainer features need Pro?

Voicing Trainer, Borrowing Trainer and Interval Trainer offer starter Drop 2 exercises without an account. Free adds thirds, triads and High Shell; Pro adds other scale and voicing choices and deeper exercise settings. The separate Contrary Motion Trainer is fully included with Free, including its MIDI control. Contrary-motion features inside Scales of Chords require Pro.

What can I do with outlines, harmony studies and repertoire?

Free lets you transpose the supplied Major Blues and Blue Bossa outlines, use Harmony Explorer’s default study, and track and sort your repertoire in JazzRep. Pro opens the rest of the Scale Outlines library and its editor, Harmony Explorer’s other studies and authoring tools, and adding personal tunes and YouTube links in JazzRep. Existing personal JazzRep content remains available on Free.

Does Pro include private LiveFrets or the book?

This offer covers the available public workshop tools. LiveFrets Display is fully included with Free. Private LiveFrets access is separate, and the book is not part of the current offer.

Is this just for guitar?

Many tools include guitar and piano views, so you can see and hear the same idea in different ways. Individual tool features vary.

One idea can open up a whole practice session.

Get started