Blog

Practical guides written by musicians, for musicians.

The first three below are a series on American chord notation: where it came from, how to read it, and how to get a song off a recording with it. They are meant to be read in that order, and each one stands on its own.

One chord written three ways: as a figured bass, as a Roman numeral and as a chord symbol
History

Where chord symbols came from

Figured bass and its numbers, Rameau inventing the chord root, Roman numerals, the letters that dance bands put over a bar, Tune-Dex cards and the Real Book. What is documented, and what is only ever house style.

Read part 1
A keyboard with C, E, G and B flat marked, labelled C7
Theory

The basics of chord symbols

A plain letter means a major third, but a plain 7 means a minor seventh. That inversion is what confuses everybody, and there is a good reason for it. Then the rest of the vocabulary, plus scales, degrees and modes.

Read part 2
A waveform with two loop markers, A and B, and the region between them highlighted
Guide

Working a song out by ear, when you are starting

An order of operations that works: loop and slow a passage, find the melody before the chords, then take each chord root first, top note second, colour last. Plus the four traps behind most wrong charts.

Read part 3
Chord Analyser's chord-chart editor on mobile
Behind the app

Building a Chord-Chart Editor That Works on a Phone

Chord charts have always been desktop work. Here's how we built a fast, gesture-driven chord-chart editor inside Chord Analyser - chord input by piano, guitar or builder, tablatures for any tuning, full song structure, and PDF export.

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Stage performance
Guide

How to Use Backing Tracks on Stage

Every live performer eventually faces this question. This comprehensive guide covers all the options - from dedicated audio hardware to smartphone apps - and helps you find the right solution for your setup, budget and role.

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Musician on stage
Guide

Triggering Sound Effects from Multiple Stage Positions

When sound effects need to be launched from different spots on stage, coordination becomes critical. This guide compares MIDI-based and smartphone-based approaches and their practical trade-offs.

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