It often takes patience to wade through the chaff but a little persistence can result in some remarkable treasures. The easiest way to access these videos is by entering the conductor's name in YouTube 's handy search tool. For this column, I've focused primarily on conductors whose careers flourished during the first half of the 20th century.
That means Bernstein, Mehta, Maazel, Masur, Levine, Slatkin, Tilson Thomas , Solti, Barenboim, Abbado, Rattle and Ozawa aren't represented here. I also skip Toscanini and Karajan, as their recordings are heavily documented.