For today's Sleep Song, composer Eduardo Rivera ran computerized string pads through an old tape recorder, resulting in the airy sound heard throughout, reminiscent of a gusty breeze alighting falling leaves. Sampled sounds of crickets, bowed kalimba, and an e-bowed piano add to the rich, sweater...

After hearing the sound of a wind chime floating through his neighborhood, composer Eduardo Rivera is reminded of a stay in the mountain town of Idyllwild. "The house had these huge wind chimes, that I later learned are called 'King David's Wind Chimes.’ These chimes are larger, deeper, and more...