Kendrick Lamar and SZA land new No. 1s on Billboard ’s Streaming Songs chart – Lamar his seventh, SZA her third – as “Luther” rises to the top of the March 1-dated ranking. “Luther” enjoys its coronation in its 13th week on the tally with 45.2 million official U.S. streams in the week ending Feb. 20, a boost of 6%, according to Luminate.