wagner opera "der ring des nibelungen" - second day "walkure" - act 3 prelude "ride of valkyries"
based on joseph conrad's novel "heart of darkness", francis f.coppola dir.
marlon brando, robert duvall, martin sheen, harrison ford starred
"apocalypse now"(지옥의 묵시록,1979) & "apocalypse now redux"(2001) ost