on 6300.85
1854 song, 1855 W singer in Sp, long song, 1901 This is Radio ..., and same song going on,
clearer (about 'la revolucion'), 1903 next revolucionar cancion !, 1907 talking in Sp (with bits of music), ut. bursts at times, 1911 talking (or spoken song ?), 1913 clear IDs, music parts,
1914 latino-am. music
What is BCS ?