Arriving in the town of Periera in the middle of the day I looked up and there was this circular object in the sky that looked metallic. It was very large. It stayed in the same spot without movement for near to 12 hours. When it became dark the object started pulsating blue-green.I arrived in the town in the middle of the day to give a concert there. When I arrived everyone was looking up in the sky. I looked and there was this circular object in the sky that looked metallic. It was very large. It stayed in the same spot without movement for near to 12 hours. When it became dark the object started pulsating blue-green. The object was still hovering in the town when I left to do to the next town on my concert tour. This event occured in October of 1947. My background is that I am A concert artist and voice teacher. I live and still give concerts in North Hollywood, CA. At the time of these sitings I was giving a concert tour in the country of Colombia,S.A. I was born in Santiago, Chile and educated in private conservatories there. I also studied voice in Italy. I have given concerts throughout South Amercia and the United States. I have sung in Town Hall in New York, Carnegie Hall in New York, with the San Francisco Opera Company, and many other places. I have lived and worked in the Los Angeles area for over thirty years now.