Chico Mau Lohi , revolutionary songwriter, describes 1975 invasion; witnesses executions 9 Dec 1975; imprisoned and tortured in Tropical Hotel 28 Dec. 1975; sings to Col. Sinaga for his life; Feb. 1976 transferred to Balide Prison; wife dies at home 28 July 1976, attends funeral and returns to prison 2 more years; describes disappearance Orient Five band members; freed 1978, remarries.