Grimes has posted footage of British DJ Chris Lake playing an unreleased collaboration live to a crowd in Arizona, US.The Canadian artist captioned the clip, which she shared via her Instagram yesterday (March 31), with: “@chrislake testing our Song! Shud we release this?”Fans responded emphatically, with one user writing: “Yes we are desperately in need” while another wrote: “DON’T ASK US JUST DO IT.”There is currently no news of a release nor the song’s title or where it may appear.