Their title track "Good Day" was produced and composed in conjunction by Neighborhood Hyung, Won Young Hun, and Wanna One's Lee Dae Hwi, with lyrics by Wanna One's Lee Dae Hwi and Park Woo Jin. The second track "I Just Do" was produced and composed by MXM's Kim Dong Hyun with Kiggen, with lyrics by the two MXM members. 

Sounds like a lot to look forward to! MXM's single album is set for release July 27 at 6PM KST!