AI音楽ジェネレーター
Skip the stock music hunt. Type a prompt describing the genre, instruments, or vibe you're after — or drop in an image to set the mood — and OpenArt builds an original track from scratch. From 30-second loops for short-form to full 3-minute compositions, every output is shaped by your creative direction and powered by Google Lyria 3.
オリジナル楽曲をその場で生成
たった1行のテキストから、数秒で完成した楽曲へ。30秒のタイトなループなら「Quick Clip」、最大3分ほどの本格的な楽曲なら「Full Song」を選択。どちらもあなたのpromptで形作られる、まったく新しいオリジナル音源として生成されます。
スタイル、ムード、エネルギーを合わせる
Dial in genre, era, instrumentation, vocal tone, and dynamics, or stay broad and let the model interpret your prompt. Whether you're chasing a glitchy lo-fi loop, a sweeping cinematic build, or a punchy pop hook, the controls scale with how much direction you want to give.
すぐ使える音楽出力
Skip the round-trip through external editors and licensing portals. Tracks are produced inside OpenArt at delivery quality, ready to download and pair with the images, characters, and videos you've already made on the platform.
Key Features of AI Music Generator
Music generation on OpenArt runs on Google Lyria 3 — a model that composes from scratch rather than remixing samples, and that responds to both written and visual cues. The result is audio that takes shape around what you describe instead of pulling from a fixed library of pre-made samples.
Instant Image-to-Music Generation
Already made an image, character, or world on OpenArt? Use it as a reference and the model composes around its atmosphere — pulling cues from palette, subject matter, lighting, and overall energy to inform instrumentation choices and pacing. A neon-lit cyberpunk alley might pull synth bass and industrial percussion; a sunlit meadow might lean into airy strings and gentle piano. You can attach up to 10 visual references (JPEG, PNG, or WEBP, 20MB max each), pair them with a text prompt for tighter control, or let the visuals do the talking on their own.
あらゆるスタイル、雰囲気、エネルギー
There's no fixed menu of presets boxing you in. Lo-fi, folk, ambient, rock, cinematic, dramatic, dance, hip-hop, classical — describe what you want and the model adjusts instrumentation, tempo, and dynamics accordingly. Quick-start chips for R&B, Lo-fi, Folk, and Cinematic sit below the prompt for fast seeding, and you can hand-set BPM, Intensity, Key (root note plus Major or Minor), and — in Full Song mode — Duration when you need precision. Leave the song controls on Auto and the model fills in what fits your prompt; switch any of them off and you get a slider or picker to set the value yourself.
Text Prompt Control
Write your prompt the way you'd brief a producer. A short line like "moody jazz piano with brushed drums" gets you somewhere quickly; a richer prompt like "1970s Motown soul with three-piece brass and a gospel-tinged tenor lead" gets you somewhere specific. You can also dictate vocals — toggle Instrumental on or off, set vocal gender and tone, prefix your own words with "Lyrics:" or hand the AI a theme and let it write the lyrics for you. Backing vocals go in round brackets, the same way you'd notate them on a chart.
すぐ使える音楽出力
Every generation lands as polished audio you can download immediately and use across the rest of your project. There's no separate export, no second app for mixing, no licensing layer to navigate. Because the music is built next to the visuals it's scoring, the whole pipeline — image, video, soundtrack — stays in one tab.
How to Use the AI Music Generator
プロンプトから再生可能なトラックまで、3ステップで完成。
トラックを説明する
Write a prompt covering genre, instruments, mood, or vocal style — or tap a genre chip (R&B, Lo-fi, Folk, Cinematic) to get started. You can also attach up to 10 visual references for extra atmosphere.
モードと設定を選択
Select Quick Clip (30s) or Full Song (~3 min), then toggle Instrumental if needed. Optionally fine-tune BPM, Intensity, and Key under Song Control.
Generate and Download
「生成」を押して、トラックを聴いて、プロジェクト・SNS投稿・あらゆる用途にすぐ使える状態でダウンロード!
AI音楽ジェネレーター — あらゆるジャンル・あらゆるシーンのためのオリジナルサウンドトラック
Score whatever you're building, from a 15-second clip to a 3-minute track, without ever opening a second app.

Content Creators and Video Producers
Sourcing music is usually the bottleneck in a video workflow — every track in the stock catalog feels either over-licensed or just slightly off. Generating one to spec changes that: prompt the genre, pacing, and emotional arc you need, and the model produces something that actually fits the cut. For series content, you can keep the prompt structure consistent across episodes so your scoring carries a recognizable identity. Less time browsing libraries, more time editing.
今すぐ試す
Visual Artists and Photographers
静止画だけでは表現に限界があります。オーディオと組み合わせることで、鑑賞者はより没入した形で作品と向き合えます。ポートレート、風景、実験的な作品の雰囲気を反映したトラックを生成すれば、1枚のアートワークがショートフィルムに近いものへと変わります。ポートフォリオの公開、ギャラリー展示、より長く注目を集めたいSNS投稿などで特に役立ちます。
今すぐ試す
SNSクリエイター
最初の1秒で視聴者を引き込めるかどうかが勝負の半分。しかも、みんなと同じ使い古されたトレンド音源では差がつきません。オリジナルの30秒クリップを生成すれば、誰も使っていないオーディオでリールやショートを彩れます。ときにはインパクトのあるつかみに合わせたオリジナル歌詞、ときにはブランドに合わせたlo-fiループ。いずれにせよ、そのオーディオは借り物ではなく、あなたのアイデンティティの一部として響きます。
今すぐ試す
Filmmakers and Game Designers
シーンやレベル、短編映画のプロトタイプ制作では、いまいちしっくりこない仮の音源で済ませがちです。代わりにFull Songを生成すれば、コンセプトの下に約3分のオリジナル音源を敷けます。完成品に近いクオリティなので、ピッチやバーティカルスライス、さらには出荷ビルドにも使えます。プロジェクトの進化に合わせて新しいプロンプトで再生成し、映像とスコアを常に同期させましょう。
今すぐ試す