Barcelona's dank Balearic beat maker John Talabot and countryman/house producer Pional have already collaborated to great effect twice this year -- see "Destiny," from Talabot's murked-out afterhours club record ƒn, and "Braves," their triumphant theme song for the Spanish marathon -- so here's one more before it's all over. On the xx's "Chained," the Spaniards turn that track's hushed intimacy ...