{"frequencies":[261.6255653006,264.89588486686,269.80136421624,274.70684356563,279.06726965397,285.40970760065,287.78812183066,290.69507255622,294.32876096318,299.00064605783,305.22982618403,310.07474405997,313.95067836072,319.76457981184,327.03195662575,332.97799220076,336.37572681506,343.38355445704,348.83408706747,353.19451315581,359.73515228832,366.27579142084,373.75080757229,380.54627680087,387.59343007496,392.4383479509,398.6675280771,406.97310157871,411.12588832951,418.60090448096,428.11456140098,436.04260883433,441.49314144476,448.50096908674,457.84473927605,465.11211608996,470.92601754108,475.68284600109,479.64686971777,490.54793493862,498.33441009638,507.3950357345,516.79124009995,523.2511306012],"description":"Harry Partch's 43-tone pure scale"}