Whose song is Syndrome / Heyo (nana ae)?

Artist		Album
Various		Hit Explosion '98 Volume 8 - cd2 Master Beat - The White Party 1998 Mega Dance '98 vol. 2 Radioactivity 98-05 TMF 1998 - 08 Tribal Beats Universal Music 2 Universal Promo CD #2 Veronica Top 100 1998 Vol 08 Warner Brothers - Vol 8 - CD 1