These successes across Europe and elsewhere impressed Yvonne Littlewood, the BBC producer who had first met Mouskouri at the 1963 Eurovision Song Contest in London. Following several successful guest appearances on British TV after her Eurovision performance, the BBC then invited Mouskouri and her backing group, the Athenians, to start hosting a TV series called "Presenting… Nana Mouskouri" from 1968 onwards. Each episode of the series typically contained songs from her developing repertoire of Greek folk music, French chansons, classical pieces and contemporary pop, and the shows often featured world music stars of the time as guests, making it one of the first BBC TV series to do so regularly. Despite the fact that stars from mainland Europe singing in languages other than English have tended to find it difficult to break into the British market, the series proved very popular with viewers of the new BBC-2 channel, and it ran until the mid-1970s. As well as performing British and American pop and folk songs in her shows, Mouskouri also welcomed the television audience, chatted to her guest stars and gave spoken introductions to her French and Greek songs in fluent English. These introductions, along with a modest stage presence and her bespectacled appearance, made her a very distinctive star, as Yvonne Littlewood later explained: