 In his major theoretical statement , ' Opera and Drama ' ( 1852 ) , Wagner objected to the music of Meyerbeer , asserting its <unk> and <unk> in dramatic terms ; this work contains Wagner 's well @-@ known put @-@ down of Meyerbeer 's operas as ' effects without causes ' . It also contains the sardonic crack that ' [ Rossini ] never could have <unk> that it would some day occur to the <unk> , for whom he had always made their music , to make it for themselves ' . ' Jewishness in Music ' was reissued in 1869 , ( after Meyerbeer 's death ) in an extended form , with a far more explicit attack on Meyerbeer . This version was under Wagner 's own name – and as Wagner had by now a far greater reputation , his views obtained far wider publicity . These attacks on Meyerbeer ( which also included <unk> at Felix Mendelssohn ) are regarded by Paul Lawrence Rose as a significant milestone in the growth of German anti @-@ Semitism . 
