エルモア・ジェイムズのコピーじゃないぜ。

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

copy; photocopy; blurb on a book jacket; catch copy

then; well; so; well then; combination of 'de' and 'wa' particles; plain copula

(sentence end) adds force; indicates command