Earlier on Feb. 22, they had caused fans of Park JiHoonto gasp as the idol will be dropping a single featuring Lee Hi!‘Call U Up’ is produced by PRIMARY and the combination between these 3 artists had already caused many fans to look forward to the release of the single.As many hit songs have been produced by PRIMARY, fans believe that the single will attract even more fans with the unique musicalities of the trio.Below is also the official scheduler!‘Call U Up’ will be released on March 4 and it seemed like a music video was also filmed for this collaboration.The collaboration is definitely a pleasant surprise for fans and the single will be made available through the UNIVERSE app and various music sites on March 4, 6 PM KST.Are you also excited for the release for ‘Call U Up’?  2 Years Since The Last Schedule Of Wanna One, What Is Each Member Doing Now? KPOP STORIES|Jan 27, 2021 Park JiHoon To Work With Lee Hi And PRIMARY For  Call U Up  Single Release  - 27Park JiHoon To Work With Lee Hi And PRIMARY For  Call U Up  Single Release  - 10Park JiHoon To Work With Lee Hi And PRIMARY For  Call U Up  Single Release  - 30