The number of participating countries returned to the record that was established in the sixth edition of the festival which was held in Madrid back in 1977 . Twenty one countries sent a their delegations , performers and bands to Caracas . As usual , both state financed and private broadcasting networks that were active members of the Iberoamerican Television Organisation participated in this edition of the festival , amongst them , the host broadcaster Venevision
sixth edition
OTI Festival 1977
OTI Festival 1979