Sunmi and BE'O have dropped a dreamy MV teaser for their first collaboration single, "And the Lights Go Off".

The first collaborative project by the newfound music label Billion Music, "And the Lights Go Off" is expected to deliver a dreamlike, nostalgic newtro sound, topped off with Sunmi's sensual vocals and BE'O's classy rap. 

The full MV and single will be released on March 22 at 6 PM KST.