Leading French specialty retailer of children's ready-to-wear clothing, Orchestra, on Friday posted a 49 per cent leap in annual sales for 2001 to 40 million euros ($34.8m) compared to the previous year. During 2001, the fashion retail chian acquired Kazibao, an Internet web site aimed at youngsters aged between 10 and 14 years, for 15.24m euros ($13.28m).