“Sex&Drugs&Rock&Roll” (10 p.m., FX): Denis Leary and his dysfunctional band

“Sex&Drugs&Rock&Roll” (10 p.m., FX): Denis Leary and his dysfunctional band are back for Season 2 of “Sex&Drugs&Rock&Roll.” In the opener, the sudden death of an old friend forces the band to question where they’re going in life.

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