{
  "icon" : "music.note",
  "id" : "63EB7D1E-06E3-5131-A3D0-008C0A0D0B86",
  "lines" : [
    {
      "id" : "25AD4DCA-EB82-507C-90F5-FFE0C03035D8",
      "source" : "# Musical notes"
    },
    {
      "id" : "7E10A05A-C094-5A31-B7AE-79F6942699C8",
      "source" : "A4 = 440 Hz"
    },
    {
      "id" : "4CA113B6-13B6-5A42-B825-4A32F4234B99",
      "source" : "octave up = A4*2"
    },
    {
      "id" : "0075553C-BC3A-5F70-82FD-013BB3969B1D",
      "source" : "octave down = A4\/2"
    },
    {
      "id" : "A5383DF6-5DEF-5249-9EE2-43FA9ADA3E3A",
      "source" : ""
    },
    {
      "id" : "FE0B8A67-55AE-5E4A-9EB5-FF98030040CB",
      "source" : "# The equal-tempered scale"
    },
    {
      "id" : "92CF02D0-24C1-5263-A052-F0967B9DC6A7",
      "source" : "semitone = 2^(1\/12)"
    },
    {
      "id" : "605D5185-F8ED-5575-BDF4-617CA9EC3163",
      "source" : "C5 = A4*semitone^3"
    },
    {
      "id" : "F721D644-ACD0-534F-8ADF-04DAAC33FA25",
      "source" : "perfect fifth = A4*semitone^7"
    },
    {
      "id" : "0BC06CA5-DDD3-580C-AB80-4093BCE936ED",
      "source" : "perfect fifth\/A4"
    }
  ],
  "numberStyle" : {
    "decimal" : ".",
    "grouping" : ",",
    "secondaryGroupSize" : 3
  },
  "title" : "Frequencies and intervals"
}