Another tool that was used in the 1930 ’ s and early 1940 ’ s was the portable phonograph, which some brothers nicknamed Aaron because the machine did most of the talking for them.
1930 – 1940 - өөд оны эхэн хүртэл хэрэглэж байсан бас нэг багаж бол пянз тоглуулагч юм.