| http://www.w3.org/ns/prov#value | - Though the firm has mainly grown organically rather than through acquisition, the post-war period saw expansion and diversification: the takeovers of Ars Viva (1953) and Ernst Eulenberg (1957), and then, reflecting the radically different music consumption habits of the electronic age, an unusual but important move into recorded music with the purchase of Wergo (1971), and into popular music publi
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