Complex sentence: However, there were several popular singers and songs of Oromo language before the revolution of 1974 during the reign of emperor Haile Silassie, besides national radio broadcasting of Oromo language has been started followingthe downfall of the Ethiopian monarchy system in 1974.
Split into simpler sentences: However, there have been several popular singers and songs of Oromo language before the revolution of 1974 during the reign of emperor Haile Silassie and there after. Besides national radio broadcasting of Oromo language has been started followingthe downfall of the Ethiopian monarchy system in 1974.