the 1st is not a UNITE! mix...is the:
M (Above & Beyond Dub Mix) from the "M" german's maxi-single and vinyl - this "Dub variation" is different to the "Vocal Mix"
the 2nd one is the:
kanariya (radio edit version) from the "kanariya maxi single" is a short version of the original song including in the LOVEppears album
the 3th is the
Fly high (Vincent de Moor Radio Mix) from the "ayu-mi-x US+EU" and the "OTHER SIDE cd Collection"...this "radio mix" is a shortened version from the "Extended Mix"
well...that's all
see you later
byebye