Khamoro, World Roma Festival in Prague | by peace-on-earth.org. | Roma Festival/ Khamoro is an inter'l Romani festival held annually in Prague, Czech Republic. It belongs to the most prestigious Roma projects on an international level w/ top Roma musicians performing. The 5-day-long festival is held in May on the streets of Prague (Praha). The festival is divided into 3 sections: Expert: seminars; Culture: music, dance, parades & Media Section, which provides the info leading up to the festival.