Ken Tucker

The callow croon over a pulsating beat, the massed harmonies in the chorus, the lyrics about partying that name-check Katy Perry and include a wistful wish for a nameless girl to kiss the singer — this is boy-band music at its newest and its most timeless. The five young guys who comprise One Direction are single-minded.

Lana Del Rey appeared on Saturday Night Live recently, giving two rather tentative performances that, depending on your point of view, were awkward and amateurish or shrewdly restrained and vulnerable. Del Rey, in her mid-20s, attracts polarizing opinions.