Action Bronson and 'Kidz Bop 28' also debut in the top 10.

Kendrick Lamar scores a second week at No. 1 on the Billboard 200 albums chart with To Pimp a Butterfly. It’s the first album to spend its first two weeks atop the list since Taylor Swift’s 1989 last November. (To Pimp a Butterfly and 1989 are the only albums with multiple weeks at No. 1 in that span of time -- 1989 racked up 11 nonconsecutive weeks in the penthouse.)

The Billboard 200 chart ranks the most popular albums of the week based on multi-metric consumption, which includes traditional album sales, track equivalent albums (TEA) and streaming equivalent albums (SEA).

How Do Kendrick's First-Week Album Sales Stack Up Against Other Rappers?

To Pimp a Butterfly -- which was released through Top Dawg/Aftermath/Interscope Records -- moved 123,000 equivalent album units in the week ending March 29, according to Nielsen Music (down 66 percent). Traditional album sales accounted for 107,000 of that figure (down 67 percent). The album was released earlier than expected, and gave the rapper his first No. 1 on both the Billboard 200 and the Top Album Sales charts.

Lamar’s set is also the first R&B/hip-hop album with multiple weeks at No. 1 since Beyonce’s self-titled effort racked up three weeks at No. 1 in late 2013 and early 2014 (on the charts dated Dec. 28, 2013-Jan. 11, 2014).

The TV soundtrack to Empire stays steady at No. 2 with 61,000 units (down 44 percent), logging its third straight week in the top two rungs. That makes it the first soundtrack to spend its first three weeks in the top two since 2007, when High School Musical 2 spent its first four weeks at No. 1.

Taylor Swift's 'Style' Hits No. 1 on Adult Pop Songs

The Fifty Shades of Grey soundtrack rises a slot to No. 3 (54,000 units; down 10 percent). With two soundtracks in the top three, it’s the first time the feat has occurred since the Aug. 30, 2014-dated chart, when Guardians of the Galaxy was No. 1 and Frozen was No. 3.

Sam Smith’s In the Lonely Hour climbs 9-4 with 53,000 units (up 15 percent) while Taylor Swift’s 1989 is stationary at No. 5 with 52,000 units (down 7 percent). Ed Sheeran’s x moves 7-6 with 50,000 units (up 2 percent).

Rapper Action Bronson launches at No. 7 with his first full-length album for a major label, Mr. Wonderful. The Vice/Atlantic Records set bows with 49,000 units in its first week, and follows his No. 63-peaking EP Saaab Stories Produced by Harry Fraud in 2013.

Drake’s former No. 1 If You’re Reading This, It’s Too Late slips 6-8 with 44,000 units (down 15 percent) while Maroon 5’s V rises 10-9 with 42,000 units (down 6 percent).

'Kidz Bop 28': 10 Funniest Lyric Changes

Closing out the top 10 is the latest release from the long-running Kidz Bop series: Kidz Bop 28. It debuts at No. 10 with 40,000 units. It marks the 21st top 10 effort from the Kidz Bop franchise, which offers kid-friendly covers of contemporary pop songs. The first top 10 for the Kidz Bop franchise came in 2005 with the No. 7-peaking Kidz Bop 7. All of the brand’s numbered albums since then (except for Kidz Bop 17) have reached the top 10. (In addition to the regular numbered releases, the Kidz Bop franchise has spawned themed sets like Kidz Bop Christmas, Kidz Bop Halloween Hits and Kidz Bop Party Hits.)

Over on the Top Kid Albums chart, which is devoted to children’s music exclusively, Kidz Bop 28 enters at No. 1. It’s the 30th leader for the series in the chart’s history, and the 50th entry for the line overall.