underthemoon https://blog.hatena.ne.jp/underthemoon/ underthemoon@hatena https://underthemoon.hatenadiary.org/ Oct. 0 1 2 3 4 5 6 Key C 32.7 65.4 130.8 261.6 523.3 1046.5 2093 C C# 34.6 69.3 138.6 277.2 554.4 1108.7 2217.5 C# D 36.7 73.4 146.8 293.7 587.3 1174.7 2349.3 D D# 38.9 77.8 155.7 311.1 622.3 1244.5 2489 D# E 41.2 82.4 164.8 329.6 659.3 1318.5 2637 E F 43.7 87.3 174.6 349.2 698.5 1396.9 2793.8 F F# … 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Funderthemoon.hatenadiary.org%2Fentry%2F20081026%2Fp1" title="平均律音階周波数対応表 - underthemoon@hatena" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2008-10-26 00:00:00 rich https://underthemoon.hatenadiary.org/entry/20081026/p1 1.0 100%