Halsey x Lido Collaboration Surfaces Online

A previously-unknown collaboration between Halsey and Lido has surfaced online.

The Norwegian hip-hop artist earlier today (January 15) unveiled a never-heard before 'secret song' featuring Halsey titled "Slow" on a French radio station and of course, it appeared on the Internet within minutes.

UPDATE (7.19pm PST) - Lido has now uploaded the original recording to his official Soundcloud account.