{"frequencies":[261.6255653006,274.03547926168,279.45274708261,292.70827332867,306.59245933664,312.65343270838,327.48360691354,343.0174228875,349.79835961887,366.39065074918,373.63364091796,391.35653176554,409.92008797511,418.0235894185,437.85206746661,458.62082212371,467.68706357679,489.87127257422,513.10776453427,523.2511306012],"description":"19 of 2/9-comma meantone scale"}