There are 4 artists named Cordelia: 1) Cordelia is a doujin circle in Japan whom Hana-tan is part of. Their music cover many genre, from pop, electronic to jazz.They have been releasing several singles/albums. Their website : http://cordelia-music.com/
2) Cordelia is an ensemble of 9 musicians from Denmark, Sweden and Norway, performing original music together since 2000. Their sound is dominated by the string-section of the group...

Read more about Cordelia on Last.fm.