Sia and The Strokes Added as Headliners for Samsung's SXSW Parties: Exclusive

Kevin Winter/Getty Images For 102.7 KIIS FM's Wango Tango

Sia performs onstage during 102.7 KIIS FM's 2015 Wango Tango at StubHub Center on May 9, 2015 in Los Angeles, California.

Sia is swinging into South by Southwest on March 13 to close out Samsung's three-day Galaxy Life Fest in Austin, Samsung exclusively told Billboard on Wednesday, while The Strokes will serve as the tech company's opening headliner on March 11.

"Ex's & Oh's" singer Elle King will open for Sia. Warming up the crowd for The Strokes will be The Arcs, the side-project created by The Black Keys' Dan Auerbach. Sandwiched between them on March 12 will be previously announced performers ColleGrove -- the new rap duo composed of 2 Chainz and Lil Wayne -- as well as veterans Public Enemy.

This year's lineup continues Samsung's recent tradition of bringing big-name artists to SXSW Interactive. In 2013, Prince was the brand's little red hot ticket. In 2014, Kanye West and Jay Z appeared during Samsung's four-day concert series. And in 2015, R&B powerhouses D'Angelo and Mary J. Blige serenaded VIPs at two private Samsung dinner concerts in addition to Iggy Azalea, A$AP Rocky and Hot Chip performing at the bigger late-night parties.

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Like in previous years, Samsung will hand out daily concert tickets only to Galaxy device owners and select SXSW badgeholders on a first-come, first-serve basis at the Samsung Studio located at 2nd and Trinity streets starting at 11 a.m. on the morning of each concert. To earn an all-access pass to all three days, people must buy Samsung's new S7 or S7 Edge phones at the Samsung Studio, an annual pop-up store and immersive experience at SXSW.

Full lineup for the Galaxy Life Fest:

Friday, March 11: The Arcs; The Strokes
Saturday, March 12: Public Enemy; ColleGrove (2 Chainz and Lil Wayne)
Sunday, March 13: Elle King; Sia

Sia's headlining role marks her return to SXSW, where she notably performed in 2007 without her face covered, well before her sixth studio album? 1000 Forms Of Fear catapulted her into mainstream popularity in 2014. That album, fueled by the success of lead single "Chandelier," debuted at No. 1 on the Billboard 200. Sia, who is also taking the stage next month at Coachella, will arrive to SXSW with a new arsenal of songs from her seventh studio album This Is Acting, which is filled with tracks that she initially wrote for other artists such as Rihanna and Adele.

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Meanwhile, The Strokes are expected to premiere new music during their SXSW set, given that the band hasn't released fresh material since 2013's Comedown Machine, which peaked at No. 10 on the Billboard 200. The Strokes, however, may opt to hold off debuting new songs until they headline The Governors Ball in June.

For ColleGrove, the tandem will perform together live for the first time at SXSW. Separately, Grammy-nominated 2 Chainz and Grammy-winning Lil Wayne both spat rhymes last year in Austin. ColleGrove, a name blending their hometowns (College Park and Hollygrove), will perform tracks from their self-titled album released on March 4. Don't be surprised if each rapper tackles individual hits from several of their solo albums.