ComposerDeck
Draw your cards
Challenge yourself · Inspire others

The daily creative
constraint engine
for musicians.

Draw a hand of musical challenges: a chord, a scale, a production trick, sometimes a Malus. Then make something with it in 20 minutes. Built for producers, songwriters and composers who are done staring at a blank page.

↳ Pull your first cards
Free forever. No card to start. · ◤ Also on the App Store
◤ HOW IT WORKS · 03 STEPS

From blank canvas to finished sketch in 20 minutes.

Three steps. Repeat at your own pace: daily if you're on fire, weekly like most of us. Your output and your craft compound either way.

01 1–6 cards

Pull your cards

Tap Draw. Pull 1 to 6 cards across chords, scales, instruments, tempo and more, plus a Malus if you dare. Lock the ones you love, redraw the rest.

02 20:00

Accept the brief

Hit Play and a 20-minute timer starts. Your DAW or notebook is the only other tool you need. The constraints are non-negotiable. That's the whole point.

03 ↑ 4.2 MB

Submit your sketch

Upload your take on the draw, or paste a SoundCloud, YouTube or Spotify link. Other musicians hear how you handled the same brief.

◤ ANATOMY · ONE CARD

Every card is one clear brief. Some are rarer than others.

Pull a card and you know what to do in two seconds: a type, a headline you can act on, and a short brief behind it. The harder the card, the rarer the draw. Add a Malus and the hand gets brutal. No music degree required.

1. TYPE TAG
Color-coded category: chord, scale, instrument, production, malus.
2. HEADLINE
A few words you can act on. The whole brief in one breath.
3. RARITY
Common, Rare, Legendary: the harder the card, the rarer it comes up.
4. LOCK + REDRAW
Lock the cards you love, redraw the rest. Three free redraws per hand.
◤ THE DECK · 635 CARDS · 9 CATEGORIES

Nine categories.
Millions of combinations.

Every card is hand-written by working musicians. We don't generate, we curate. The deck keeps growing, and your draw is never the same twice.

CHORDS 132 cards

Triads, 7ths, 9ths, slash, sus, polychords. Roman numerals included.

MODES & SCALES 72 cards

Major, modal, jazz, exotic, micro-tonal, octatonic, whole-tone.

TEMPO & METER 99 cards

BPM ranges, odd meters, polyrhythms, polymeter, swing percentages.

INSTRUMENTS 47 cards

Acoustic, electronic, ethnic, found sounds, vocal techniques, prepared piano.

PRODUCTION 37 cards

Compression, sidechain, parallel routing, reverbs, mid-side, saturation.

MOOD & TEXTURE 62 cards

Density, register, dynamics, style emulation, atmospheric moods.

FORM & STRUCTURE 102 cards

Verse-chorus, AABA, rondo, melodic contours, lyrical angles.

MALUS RULES 40 cards

Hard constraints. The rules you don't want, but need.

CHALLENGES 44 cards

Multi-card briefs. Whole sessions in a single draw. Time-boxed.

◤ THE ALTERNATIVES

What ComposerDeck isn't.

We're not an AI generator, a sample pack, or a music theory app. Here's where we sit.

Daily creative habit
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You compose, not the AI
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Constraint-driven briefs
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Public submission slot
✓
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Streak / accountability
✓
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Free forever
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Works with any DAW
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◤ LIVE FROM THE COMMUNITY

Hear what others
made of the cards.

Real tracks made from real draws: the latest takes from the community feed.

◆ Open the feed →
@composer
SUBMISSION · 2h ago
♥ 42
A field beneath cedars
▶
1:42
Cm9 Dorian No chorus
@composer
SUBMISSION · 4h ago
♥ 31
Untitled #017
▶
2:08
142 BPM Sidechain Reverse theme
@composer
SUBMISSION · 7h ago
♥ 88
A minor study, in glass
▶
3:14
7/8 String quartet Lo-fi
◤ FROM THE COMMUNITY

Why Mark keeps drawing.

“ComposerDeck gets me making things I would never have tried on my own. No more blank page: the cards really challenge me, and some of those sketches turned into real tracks.”
M
Mark Hurynovich
Producer · beta tester and community curator
Hear his takes →
◤ FROM THE JOURNAL

Field notes on craft.

All articles →
◤ COMMON QUESTIONS

Quick answers.

01 Is ComposerDeck free? +

Yes. Daily draws, profiles, the blog, one custom deck and up to 10 audio submissions a month are free forever. ComposerDeck Pro unlocks the depth: unlimited decks and submissions, your full draw history, PDF and PNG exports, advanced stats, named studio presets and custom deck cover art. The core practice will always stay free.

02 Do I need music theory? +

No. Cards are the brief, not an exam: each one says what to do in plain words. Swap any card you don't understand.

03 Can I use it with my DAW? +

Yes. We're tool-agnostic. Logic, Ableton, FL Studio, Bitwig, Reaper, paper: whatever you compose with.

04 Will you add AI generation? +

No. We help you compose, we don't compose for you. That's a feature, not a missing one.

More in the full FAQ →
◤ THE DECK IS WAITING

Pull your first
three cards.

Free forever. No credit card. Daily streak starts the moment you draw. Want the depth? See what Pro adds.

⚡ No sign-up needed for your first draw