Each Friday, Billboard presents "Bubbling Under," a weekly look at new and noteworthy acts making their way toward Billboard chart success. Up this week: Milo Greene, Davina Leone, Jenny Simmons and DJ Chino.
Milo Greene

Los Angeles rock band Milo Greene is making moves with its breakthrough single "1957." The earthy, jangly tune is climbing the Triple A airplay tally, bulleting this week at No. 21. The act, signed to Chop Shop/Atlantic, released its debut album last July; it's sold 17,000 copies to date in the U.S., according to Nielsen SoundScan. "1957," meanwhile, has sold 15,000 downloads. The band is currently on tour, with dates lined up through early June.
Davina Leone

Nineteen-year-old Miami native Davina Leone, who began posting cover songs on YouTube at 14, is approaching Mainstream Top 40 with her first commercially-available single, "Up All Night" (JED/in2une). Leone and her band opened for OneRepublic during the Sundance Film Festival in Park City, Utah, on Jan. 18, and she's set to play at SXSW in Austin, Texas, next month. She's prepping the release of her debut album, Awake.
Jenny Simmons

Formerly the lead singer of Christian pop group Addison Road, Jenny Simmons launches her solo career with "Heaven Waits for Me." The group's chart history includes "All That Matters," which topped the Christian Hot AC/CHR list five years ago. Signed to the act's former label, Fair Trade, Simmons will release The Becoming March 5. The New Mexico native is now on tour, booked by the Nashville-based Elite Talent Agency.

DJ Chino

After years of rocking the decks at Pitbull's live performances as the star's official spinner, DJ Chino breaks out on his own with "Si Te Agarro," featuring fellow Mr. 305 signees Fito Blanko and Papayo. The cut debuts at No. 24 on Latin Rhythm Airplay and at No. 40 on Tropical Airplay, as it deftly rides the fence between the two genres. Since the release of the song's official video on Dec. 21, the clip has garnered more than 485,000 YouTube views.

Reporting by Keith Caulfield, Wade Jessen, Rauly Ramirez and Gary Trust of the Billboard charts department.