Related Information for Agnelli & Nelson Agnelli & Nelson, the collective name of Northern Irish pair Chris Agnelli and Robbie Nelson (who also produce under the names Afterburn, Cortez, Green Atlas, A&N Project, and Quincey & Sonance), writers and producers of dance music, are notable for helping to define the genre of Trance music since 1997.Since 1997, Chris Agnelli and Robbie Nelson have been writing and producing dance music, of which their hits El Nino and Everyday have become classics of their genre. They have to dat.. read more