What is "barbarosa"

Barbarosa is a 1982 motion picture starring Willie Nelson and Gary Busey about a young cowboy on the run from the law who partners with a famous bandito and learns about life from him. "One of the best overlooked westerns of the last 20 years" according to reviewer LG Writer, and featured on an episode of the television show Siskel & Ebert dedicated to uncovering worthy sleepers, it is "a tale of betrayal, vendetta, honor, and dignity". Barbarosa was the first American film by noted Australian director Fred Schepisi.