When did Metallica put out their first album?
1983
1982
1982
1982
1982
1982
1981
1984
1982
1981
1984
1982
1981
1983
1984
1982
1981
1983
1984
1982
1981
1983
1984
1982
1980
1981
1983
1984
1982
1980
1981
1983
1984
1982
1980
1975
1981
1983
1984
1982
1980
1975
1981
1983
1984
1982
1973
1980
1972
1975
1981
1983
1984
1982
1973
1980
1972
1975
1981
1983
1984
1982
1973
1980
1972
1975
1981
1983
1984
1982
1973
1980
1972
1975
1981
1983
1984
1982
1973
1980
1976
1972
1975
1981
1983
1984
1982
1973
1980
1976
1972
1975
1981
1983
1984
1982
1973
1980
1976
1972
1975
1985
1981
1983
1984
1973
1980
1976
1972
1979
1975
1985
1981
1983
1984
1973
1980
1976
1972
1979
1975
1985
1981
1983
1984
1973
1971
1980
1986
1976
1972
1974
1979
1975
1985
1981
1987
1983
1984
1973
1971
1980
1986
1976
1972
1974
1979
1975
1978
1985
1981
1987
1983
1984
1970
1973
1971
1980
1986
1977
1976
1972
1974
1979
1975
1978
1985
1987
1983
1970
1973
1971
1980
1988
1986
1977
1976
1972
1974
1979
1975
1978
1985
1987
1983
1970
1973
1971
1980
1988
1986
1977
1976
1972
1974
1979
1975
1982.
1981.
1983.
1984.