JYJ's Junsu has previously revealed his album track list for mini-album 'Had To Be Yesterday', but the details that were missing were his featured artists! 

His company's side revealed, "The featuring line-up for Junsu (XIA)'s mini album' Had To Be Yesterday', which will be released on October 19, has been revealed. Musician Giriboy, charismatic female rapper Cheetah, and even the new and powerful BewhY are featured."

Giriboy is featured in the track "OeO" which has a strong beat and a powerful melody. Cheetah is featured in the urban R&B track "Midnight". And last but not least, BewhY is featured in the 'oriental hip-hop' track "Silk Road".

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His album will be released on October 19!