JYJ's Junsu has given a preview of his upcoming pre-release "...Is You"!

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Before his album 'XIGNATURE' later this month, Junsu will be releasing "...Is You", which was written by the composer behind 2NE1's "Hurt", Sung Woo Jung Ah. Meanwhile, the hip hop, dance track "Rock the World" produced by Automatic is the title track of 'XIGNATURE'.

"...Is You" will be out on May 19. Check out the audio teaser above, and let us know what you think!