sentences:  Shortly thereafter, his recording career was interrupted by the 1942–44 musicians' strike and the diversion of shellac (a key material used in the manufacture of the then-standard ten-inch 78 rpm phonograph record) for the U.S. war effort during World War II.By 1946, Walker signed with producer Ralph Bass and Black & White Records.Although there is conflicting information regarding the recording date, "Call It Stormy Monday (But Tuesday Is Just as Bad)" was released as a single in November 1947.