Sentence 1: McClain was one of the pioneers in introducing `` ragtime minstrelsy '' , which opened up a wider range of styles on the eve of the vaudevillized era .
Sentence 2: McClain was one of the pioneers in introducing `` vaudevillized minstrelsy '' , which opened up a wider range of styles on the eve of the Ragtime era .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?