Astronomia by Tony Igy - discover this song's samples, covers and remixes on WhoSampled. Hi, you're absolutely right on the fact that Astronomia is a song by TONY IGY. However, the Welcome To Ibiza is not a REAL song produced by Tiesto. It is a mix of a set in one of his infamous parties in Sant Antoni, Ibiza, before his DJ set in Amn. Feb 16, Stream Tony Igy - Astronomia by Tony Igy from desktop or your mobile device.