Skrillex, Diplo & Justin Bieber's 'Where Are U Now' Dances Up the Charts

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Diplo, Justin Bieber and Skrillex visit Y100 Radio Station on March 30, 2015 in Miami, Florida.

Skrillex, Diplo and Justin Bieber barrel to No. 1 on Billboard's Dance/Electronic Streaming Songs chart with "Where Are U Now" (4-1). It's the first leader on the list for all three artists. "Where" racked up 3.9 million U.S. streams, led by 64 percent from Spotify, in the week ending April 12, according to Nielsen Music.

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Bieber has been consistently promoting the track, singing it during a surprise appearance at an Ariana Grande concert in Los Angeles on April 8, as well as performing it with Skrillex during the DJ's March 29 set at Miami's Ultra Music Festival.

"Where" also soars 4-2 on Dance/Electronic Digital Songs (45,000 downloads sold, up 36 percent). The track zooms 64-42 on the Billboard Hot 100, where it's the highest-charting hit for both Skrillex and Diplo.

'RUN' TO No. 1: Fresh off performing at Coachella last week, newcomer Alison Wonderland attains her first No. 1 on Top Dance/Electronic Albums with her debut album, Run. The Australian DJ's set starts with 3,000 sold (also good for a No. 6 entry on Heatseekers Albums).

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First single "U Don't Know," featuring Flaming Lips lead singer Wayne Coyne, debuted at No. 11 on Dance/Electronic Digital Songs three weeks ago and has sold 16,000 since its release. Progressive house remixes by Jenaux were serviced to club DJs this week. Additionally, "U Don't Know" is Wonderland's first entry on the Billboard + Twitter Emerging Artists chart (No. 30).

HERE HE IS: Flo Rida flies onto Hot Dance/Electronic Songs with the chart's highest debut, "Here It Is" (No. 22). It's the rapper's first chart action as a lead artist, with his only other Hot Dance/Electronic Songs appearance earned via Erika Jayne's "Get It Tonight" (No. 20, July 2013).

"Here" hails from his hip-hop-leaning EP, My House, which debuts at No. 14 on the Billboard 200. Featuring Chris Brown, "Here" enters at  No. 17 on Dance/Electronic Digital Songs (7,000). Flo Rida rises 14 spots on the Billboard Artist 100, arriving at a new peak (37-23).

KASKADE CLIMBS: Another notable debut on Hot Dance/Electronic Songs belongs to Kaskade (who performed at Coachella as well), as he bows with "Never Sleep Alone" (No. 28). While it's his ninth track to chart, "Never" marks the first music from his major-label debut (Warner Bros.), where the veteran DJ is signed to a two-album deal.

Dating back to September 2005, Kaskade has charted 12 titles, including six top 10s and two No. 1s (Fire & Ice in 2011 and Atmosphere in 2013) on Top Dance/Electronic Albums. Since the chart's July 2001 inception, only seven acts have made more appearances; Armin van Buuren leads with 23.

FUNNY MATERIAL: Following her multi-faceted April 9 appearance on NBC's The Tonight Show Starring Jimmy Fallon, which included performances, an interview, and even a stand-up comedy attempt, Madonna re-enters Hot Dance/Electronic Songs with "Bitch I'm Madonna" (No. 21; it previously reached No. 11). Backed by DJ skills from Diplo, Madonna served up a rousing humor-laden performance of the track, which followed a sit-down rendition of her classic "Holiday" with Fallon. "Bitch" surges by 748 percent to 9,000 sold.

Meanwhile, first Rebel Heart single "Living for Love" holds at No. 27 on Hot Dance/Electronic Songs (3,000, up 28 percent) and new radio single "Ghosttown" debuts on Dance Club Songs (No. 41). On the latter chart, Madonna leads all acts with 44 No. 1s, the most leaders an act has notched on any Billboard chart.

'TALKING' POINTS: Speaking of Dance Club Songs, Tove Lo tops the chart for the second time, and first on her own, with "Talking Body" (2-1). The Swedish singer/songwriter broke through last year with "Habits (Stay High)," reaching No. 30 (and No. 3 on the Hot 100), and subsequently tallied her first Dance Club Songs No. 1, as the featured vocalist on Alesso's "Heroes (We Could Be)," in December. Remixes from Gryffin, Kream and WDL helped Tove take "Talking" all the way to the top.

Tove Lo is building an impressive resume as both an artist and writer. She co-penned Ellie Goulding's "Love Me Like You Do," which reached No. 3 on the Hot 100, and Hilary Duff's new single, "Sparks," which enters the Hot 100's Bubbling Under chart this week at No. 8.