Sofia, Bulgaria (1965-1971) Paraskeva, Pasha Hristova, b. on 16 July, 1946 in Sofia, was a famous Bulgarian pop and estrada singer, whose sudden death in a plane crash in 1971 put an end to her career. Pasha Hristova grew up in the Kniazhevo district, close to the mountain of Vitosha in Sofia and worked as a draughtswoman in a factory for electric trucks. She graduated from the School for Estrada Singers and started working as a soloist in the Ensemble of the Construction Troops.