IN THE WEB YOU CAN SEARCH AND FIND A LOT OF INFORMATIONS UNDER:
Sephardic, Sepharadic, Sephardi, Sephardim, Sefardim, Sepharden, Sefarditi (IT), Sepharad, Sefarad, Sefarade, Sefard, Sephardische Sprache, Sepharden Geschichte, Sepharden heute,
Also in Wikimedia Commons, look under Sefarad or Sepharad, Sefardim or Sephardim etc. (see above) there are a lot of multimedial files to this topics. Also under Everything and Advanced.
If you want to learn more about Balkan Music, to which idiom many Sephardi songs are belonging, look under: http://balkan.musicvm.com and download for free a pdf file.