"All" holds at No. 1 despite drops for a second straight week in the Hot 100's three metrics (airplay, sales and streaming). It rules the Radio Songs chart for a third week (184 million audience impressions, down 5 percent, according to Nielsen BDS); slips from its No. 2 peak to No. 3 on Streaming Songs (7.3 million U.S. streams, down 3 percent, according to BDS); and holds at No. 4 on Digital Songs, where it peaked for eight weeks at No. 2 (144,000 downloads sold, down 11 percent, according to Nielsen SoundScan). The piano ballad does, however, log a 4 percent gain to 2.9 million on-demand U.S. streams, staying at No. 2 on the subscription services-based On-Demand Songs chart, which it crowned for four weeks.
"All" concurrently leads the sales/airplay/streaming-based Hot R&B/Hip-Hop Songs chart for a second week, the Pop Songs airplay ranking for a fourth week and Adult Pop Songs for a second week. It previously topped Adult R&B Songs for seven weeks and Rhythmic Songs for one frame.
"All" narrowly holds off Pharrell Williams' "Happy" (2-2) on the Hot 100, where it ruled for 10 weeks before "All" dethroned it last week. How narrowly? "All" boasts just 0.1 percent more chart points than "Happy," marking the closest battle for No. 1 since Kelly Clarkson's "Stronger (What Doesn't Kill You)" displaced Adele's "Set Fire to the Rain" by a slightly smaller points margin on the Feb. 18, 2012, chart. (Last week, "All" won by just less than 1 percent.)
"Happy" spends a fourth week at No. 1 on Streaming Songs (9.3 million, up 7 percent); stays at No. 2 on Radio Songs, which it led for eight weeks (145 million, down 11 percent); and holds at No. 3 on Digital Songs, which it commanded for 11 weeks (156,000, down 11 percent). Meanwhile, Williams' follow-up "Come Get It Bae" debuts on the Hot 100 at No. 82, spurred by a No. 35 start on Digital Songs (46,000, up 235 percent).
Rap rookie Iggy Azalea ranks at Nos. 3 and 4 on the Hot 100 for a second week, although her first two chart entries switch spots: her own "Fancy," featuring Charli XCX, rises a spot to No. 3, trading places with Ariana Grande's "Problem," on which Azalea is featured, after it debuted at No. 3 last week.
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"Fancy" dominates On-Demand Songs for a second week (3.2 million, up 8 percent); flies 4-2 on Streaming Songs (7.4 million, up 12 percent); holds at No. 2 on Digital Songs (216,000, down 2 percent); and surges 14-11 on Radio Songs (71 million, up 29 percent).
After launching last week with the eighth-biggest opening sum ever for a download, "Problem" claims dual Streaming and Airplay Gainer honors on the Hot 100 despite its 3-4 drop. It roars 9-4 on Streaming Songs (6.5 million, up 46 percent) and blasts onto Radio Songs at No. 30 (41 million, up 70 percent). It leads Digital Songs for a second week, but tumbles by 46 percent to 235,000 downloads sold (a not atypical plunge for a song that makes a lofty sales start ahead of its radio build).
Rounding out the Hot 100's top five, Katy Perry's former four-week No. 1 "Dark Horse," featuring Juicy J, holds at No. 5; follow-up "Birthday," meanwhile, jumps 29-25, led by its 34-22 vault on Radio Songs (46 million, up 20 percent) and No. 42 debut on Digital Songs (38 million, up 20 percent).
DJ Snake and Lil Jon's No. 5-peaking "Turn Down for What" rebounds 7-6 on the Hot 100, reaching the Radio Songs top 10 (12-9; 72 million, up 18 percent). It returns to its No. 5 peak on Digital Songs (6-5; 130,000, up 3 percent) and descends from its No. 6 highpoint to No. 7 on Streaming Songs (6.2 million, down 4 percent). It crowns Hot Dance/Electronic Songs for a seventh week.
Jason Derulo's No. 3-peaking "Talk Dirty," featuring 2 Chainz, drops 6-7 on the Hot 100; Justin Timberlake's "Not a Bad Thing" holds at its No. 8 Hot 100 peak, powered by advances on Radio Songs (5-4; 116 million, up 9 percent) and Streaming Songs (24-21; 2.4 million, up 4 percent); and, Idina Menzel's No. 5 hit "Let It Go" remains at No. 9, as its parent album, the soundtrack to Disney's "Frozen," gives way to the "Now 50" compilation after 13 weeks atop the Billboard 200.
Paramore posts the week's lone new Hot 100 top 10, as "Ain't It Fun" climbs 13-10 to mark the pop/rock trio's first top 10. The band had previously peaked as high as No. 24 with both "The Only Exception" (2010) and prior single "Still Into You" (in November). The group first appeared on the chart in July 2007 with "Misery Business," which went on to reach No. 26.
"Fun" lifts 9-7 on Radio Songs (78 million, up 14 percent), with airplay accounting for 50 percent of its Hot 100 points; sales make up 35 percent and streaming, 15 percent. The track holds at No. 13 on Digital Songs (74,000, down 11 percent) and departs Streaming Songs after a week at the chart's No. 50 anchor position (1.7 million, down 2 percent).
The song concurrently becomes Paramore's first No. 1 on Hot Rock Songs (2-1). It displaces Bastille's "Pompeii," which drops to No. 2 after 12 weeks at No. 1 (and falls out of the Hot 100's top 10, dropping 10-11).
With its bouncy, pop lean and gospel-choir bridge, "'Ain't It Fun' is very different from songs we've written in the past," says Paramore lead singer Hayley Williams. "I grew up on pop, funk and soul. We really got to show off our roots in this song."
Visit Billboard.com tomorrow (May 15), when all rankings, including the Hot 100 in its entirety and Digital Songs, Radio Songs, Streaming Songs and On-Demand Songs, will refresh, as they do each Thursday. The latest charts will also appear in the next issue of Billboard magazine (on sale on Friday, May 16).