Lorde teases first original music in four years with ‘What Was That’ snippet

"Green Light" singer Lorde has teased what is believed to be her first new track in four years, sharing a section of the song which was labelled "WWT" - understood to be short for "What Was That?"

In a video posted to social media on Wednesday, the musician - real name Ella Yelich-O'Connor - filmed herself running through Washington Square Park in New York as the song plays.