 All the days of creation were written in English apart from the seventh day which Kopel ended with the word "Halleluiah" in Hebrew.Kopel's tapestry "The Time for Singing has Arrived" was printed on a UNICEF greeting card in 1978 and again in 1981.In 1979 the company Kol Ha’Tor LTD, whose main goal was to deal with manufacture, marketing and sale of "artistic works from fabric", was established.