For Songwriters

Move your songs forward without losing your voice.

Whether you're writing your first song or your hundredth, Harrington gives you a structured environment to think clearly about craft — and a second brain that suggests instead of decides.

If you're newer to songwriting

Learn while you write

You don't need formal theory to use Harrington. But it does give you tools to see what's happening in your songs — and vocabulary to talk about it.

  • Get unstuck: ask for suggestions on any line
  • See your rhyme scheme as you write (A, B, C labels)
  • Spot clichés before they set in
  • Use Song Coach to talk through what a section needs
  • Try song form templates to understand structure
  • Syllable count per line helps with meter awareness

You write the song. Harrington helps you see it clearly.

If you're an experienced songwriter

A fast, no-nonsense second brain

You know what you're doing. You don't need hand-holding. You need speed, precision, and a tool that stays out of your way until you need it.

  • Refine → three options → pick → adjust → done
  • Meter analysis: per-line stress patterns with deviation alerts
  • Theme check: coherence analysis across the full song
  • Chord suggestions with Nashville-first intent (key-aware)
  • Per-line direction field — carry context into every AI request
  • BYOK: route analysis through Claude for deeper reasoning

No fluff. Just the tools to test and refine quickly.

What the AI actually does

This is the clearest thing to understand about Harrington: the AI gives you options, not answers.

When you hit Refine on a line, you get three alternatives — different directions, different feels. You hover, compare, pick the one that's closest, and then adjust it until it sounds like you. The AI never rewrites your song. It expands what you're considering so you can decide faster.

Song Coach takes this further. It's a conversation — you can ask "does this bridge earn the chorus?" or "what's this song actually about?" and get a response that knows the full song context. It never tells you what your song should say. It helps you see what it does say.

Key features for songwriters

  • Line-based editor with section types (verse, chorus, pre-chorus, bridge, outro…)
  • Per-line Refine (three suggestions) and Rhyme actions
  • Song Coach — persistent conversation that knows your full song
  • Cliché detection — passive background highlight on matched phrases
  • Meter analysis — per-line stress patterns, deviation alerts
  • Rhyme scheme labels per section
  • Phrase reuse detection — flags n-grams shared across songs in a project
  • Section draft suggestions — structural scaffolding for a section, not full lyrics
  • Flow arrangement — set the playback order independently of section order
  • Export to ChordPro, PDF, DOCX, or plain text
  • Song duplication, metadata, status labels

Write better songs. Keep them yours.

Early access is for songwriters with real workflows on Apple Silicon Macs.

Apply for Early Access