text: {"frequencies":[261.6255653006,276.80621914251,293.38957467182,310.9374037046,329.12408537692,349.33498699812,369.32540968366,391.68699838314,414.83365420901,439.33301386008,466.03043161756,492.93477894539,523.2511306012],"description":"The fifths on white keys beat twice the amount of fifths on black keys"}