Where on Earth Is Carmen Sandiego? video game entitled "Carmen Sandiego Junior Detective." Its theme tune bears a close resemblace to the chorus 'Singt der großen Bassa Lieder' ('Sing songs of the great Pasha') from Mozart's opera "Die Entführung aus dem Serail" ("The abduction from the Seraglio") The script for every "Earth" episode had to meet the approval of Brøderbund Software, which created and, at the time, owned the "Carmen" franchise. Their cause for concern was the level of the violence on other FOX children's shows such as "X-Men" and "Mighty Morphin Power Rangers." Brøderbund did not require this of the creators of the "World" and
Persian Letters texts and renewed perspectives. Particularly important were the extensively annotated edition by Paul Vernière and the research of Robert Shackleton on Muslim chronology; also studies by Roger Laufer, Pauline Kra and Roger Mercier, which put new focus on the work’s unity and integrated the seraglio into its overall meaning. Others who have followed have looked into the ramifications of epistolary form, the structure and meaning of the seraglio, Usbek’s contradictions. Beginning about 1970 it is religion (Kra) and especially politics (Ehrard, Goulemot, Benrekassa) which predominate in studies on "Lettres persanes", with a progressive return to the role of the seraglio