Washington DC, April 24 -- After sharing several teasers, singer Lorde has finally released her new single and music video titled "What Was That, which also marks her first major solo release in nearly four years.

The track was produced by Lorde along with Jim-E Stack and Grammy-winning producer Dan Nigro.

Lorde, on Thursday, took to her Instagram account to share a video along with a caption that read, "My new music video What Was That. As little between us as possible. Aliveness over prowess. Naivete over disenchantment. I LOVE YOU WE START HERE."

Take a look

The music video shows Lorde walking and riding a bicycle around New York City. It also includes scenes from a surprise pop-up she attempted at Washington Square Park earlier th...