import Tone from "tone"; const synth = new Tone.Synth().toMaster(); // note:ドレミなどの音階を指定 // dur:「4n」->「♩」(四分音符)、「8n」->「♪」(八分音符) // nullだと休符 const data = [ { note: "E4", dur: "8n" }, { note: "F4", dur: "4n" }, [{ note: "G4", dur: "8n" }, { note: "G4", dur: "8n" }], { note: "G4", dur: "4n" }, { note: "E4", dur: "8n" }, [{ note: "G4", dur: "8n" }, { note: "C5", dur: "8n" }], { note: "C5", dur: "8n" },
![Tone.jsを使えば音楽知識ゼロの私でも簡単に作曲して遊べた! - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/8765675b0835af56b96a3303fab07ae28b356d9e/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-412672c5f0600ab9a64263b751f1bc81.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-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%26mark-x%3D142%26mark-y%3D57%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZoPTc2Jnc9NzcwJnR4dD0lNDBva3VtdXJha2VuZ28mdHh0LWNvbG9yPSUyMzIxMjEyMSZ0eHQtZm9udD1IaXJhZ2lubyUyMFNhbnMlMjBXNiZ0eHQtc2l6ZT0zNiZ0eHQtYWxpZ249bGVmdCUyQ3RvcCZzPTM0YjlhMjA4ODVhOWI0MzgwZjU1ZmE4YWQ2YmQ4N2E4%26blend-x%3D142%26blend-y%3D436%26blend-mode%3Dnormal%26txt64%3DaW4gUWlpdGFkb27jg6bjg7zjgrbjg7zkvJo%26txt-width%3D770%26txt-clip%3Dend%252Cellipsis%26txt-color%3D%2523212121%26txt-font%3DHiragino%2520Sans%2520W6%26txt-size%3D36%26txt-x%3D156%26txt-y%3D536%26s%3D1f6d08e8df79442ebbcac59203f19430)