In the clip for “Backwoods,” though, his hair’s grown out, he does a little Dwight Yoakam leg shuffle, and there’s a naughty glimmer in his eye, in keeping with that song’s rowdier mood. Moore looks fatigued, weighed down by the ponderous arrangement. Both celebrate country life’s small details, and both brook no dissent. 1 on the Billboard country chart this year, from “Backwoods,” his current hit. On paper not much separates “Small Town USA,” the single that Justin Moore took to No. Shepard sings, settling on a mantra one has to earn through experience: “The only things that I regret are things that we didn’t do.” For good measure the group slays a blazing, fiddle-thick cover of No Doubt’s “Just a Girl.” “This butterfly tattoo might be something I tell my kids not to do/Spring break shouldn’t last the rest of your life,” Ms. Shepard, with backing by Kristy Osmunson, who also plays fiddle has a rising single, “19 and Crazy,” about the value of making poor decisions. With clean-cut harmonies reminiscent of Shedaisy, Bomshel lead vocals by Ms. “I lose my keys, and I’m constantly late/I’m comfortable a couple of pounds overweight,” Kelley Shepard sings on “Love Me for Me,” one of several songs that preach inner comfort while the outside world looks on skeptically. Midlife arrives without crisis on the country duo Bomshel’s charming first album, “Fight Like a Girl” (Curb). Kristy Osmunson, left, and Kelley Shepard Credit. And “My World” is probably the only release in recent memory that owes debts to both the Cardigans (on “Love Me,” which interpolates that band’s “Love Fool”) and Guy, on the new jack swing-accented “Bigger”: “I was a player when I was little/But now I’m bigger.” Earplugs back in, young ladies. “Everybody says that we look cute together/Let’s make this a night the two of us remember,” he sings on “First Dance,” from his debut EP “My World” (Island), which features Usher and echoes Michael Jackson’s “You Are Not Alone.” “No teachers around to see us dancing close/I’m telling you our parents will never know.” But daughters don’t have to be hidden away for the duration of “One World”: “Down to Earth” and “One Less Lonely Girl” are uncomplicatedly beautiful and earnest. Bieber isn’t shy about planting the seeds of corruption. Unlike teen-pop stars a whole two or three years older than he is, Mr. Justin Bieber is only 15, but his mind is old. YelaWolf who performs with Juelz Santana.