The choir - whose members are aged from 12 to 17 - was accused of spreading propaganda for the outlawed Kurdish separatist rebel group, the PKK. Charges were brought after the group sang in the San Francisco World Music Festival, and sang a march in Kurdish. But as three of the choir appeared in court, it decided to drop the case. A new prosecutor in the court in the south-eastern city of Diyarbakir said there was no criminal case for the three teenagers, aged 15 to 17, to answer. The judge agreed, saying the children had not intended to commit a crime. The case against six younger choir-members, aged 12-15, which had been scheduled for July, is expected to be thrown out too, a lawyer for the children said.