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In a 1973 conversation, Heaney said that the ideas behind Hercules and Antaeus led to Part II which was ‘an attempt at some kind of declarative voice’;
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In a 1975 article Heaney referred to ‘a need to be explicit about the pressures and prejudices watermarked into the psyche of anyone born and bred in Northern Ireland’;
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The language becomes more conversational, less poetically charged (MP p 144)