How to Write a Song Inspired by Another Song — Without Copying It

Being inspired is legal. The trick is knowing where inspiration ends and copying begins.

Every songwriter has felt it: you hear a track, something about it grabs you, and you want to make something that feels like that. Then the doubt kicks in — is that even allowed? Am I about to accidentally rip someone off?

Good news: being inspired by a song is not only legal, it's how music has always worked. The trick is knowing where inspiration ends and copying begins.

What actually gets you in trouble

Copyright doesn't protect a feeling or a vibe. It protects specific expression — mainly a recognizable melody and, to a lesser extent, distinctive lyrics. What it does not protect:

Chord progressions. The I–V–vi–IV progression is in hundreds of hit songs. You cannot own a chord progression.
Rhythmic feel and groove. A "four-on-the-floor" beat or a reggae skank is fair game.
Key, tempo, and genre. Nobody owns "a sad piano ballad in A minor."
General mood or energy — the "spirit" of a song.

So the danger zone is narrow: don't lift the actual tune. Everything around it — the harmonic bed, the groove, the atmosphere — is where inspiration lives freely.

The mindset shift: borrow the DNA, not the notes

Instead of trying to recreate the song, break it into ingredients:

Melodic contour — does the melody rise and fall in a way you love? You can echo the shape (up-up-down) without copying the exact notes.
Harmonic feel — what's the emotional color of the chords? Recreate the function (tension → release) with your own voicings.
Rhythm — the pocket, the swing, the syncopation.
Tension arc — how it builds and resolves over time.

Take the ingredients you love, change the actual notes, and you've made something new that still feels connected to the original.

A safer shortcut: build from public-domain music

Here's a technique pros quietly use: instead of borrowing from a copyrighted song, borrow from the enormous library of public-domain music — classical, folk, and old jazz where the copyright has expired. Bach, Beethoven, traditional folk tunes: all free to build on, reinterpret, and modernize.

You keep the spirit you're chasing, but your raw material is 100% clear to use. That's the difference between "influenced by" and "in legal trouble."

A quick way to do all of this

If you'd rather not analyze chord functions and hunt public-domain catalogs by hand, this is exactly what I built Songneer to do. You give it a song you love; it breaks down the melody, harmony, rhythm, and tension; finds public-domain pieces that share the same spirit; and helps you build a new composition from those legally-clear building blocks — then export the MIDI to GarageBand, Logic, or any DAW.

It runs entirely on your iPhone, and it's free to try. It won't make a note-for-note clone (and honestly, you don't want one) — it helps you make something that reflects the song you loved while being legally yours.

Whatever tool you use, the principle holds: borrow the spirit, write your own notes. That's not just legal — it's how great music gets made.