Fine, Justin Timberlake’s new single is actually called “TKO,†which we are told stands for “technical knockout.†But at seven minutes long, and with no catchy hook to speak of, it sounds more like a long, grueling, getting-my-pay-per-view-money’s-worth fight. Bright side: It does have that old-school Timbaland sound, and the radio edit should be totally fine. But this 74-minute-album situation — it really doesn’t feel necessary.
