The song is the first not called "Mood" to lead the list in 2021.
For the first time in 2021, there's a new No. 1 on Billboard's Alternative Streaming Songs chart.
Glass Animals' "Heat Waves" rises 2-1 on the list dated May 8, becoming the English band's first ruler on the ranking (which is less than a year old, having launched last June).
In the April 23-29 tracking week, "Heat Waves" earned 10.1 million U.S. streams, up 2%, according to MRC Data. It's the first time that the song, released last June, has topped 10 million weekly U.S. streams.