Shostakovich frequently uses the concept of a "dead end" in the first movement of his music, creating unresolved tensions through sudden thematic and harmonic shifts. This technique enhances emotional depth and reflects the complexity of his time. Therefore, the answer is True.
;
Shostakovich frequently uses the concept of a "dead end" in the first movement of his compositions, creating tension and emotional complexity. This is evident through his abrupt harmonic and thematic shifts that lead to unresolved moments. Thus, the statement is True. ;