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The explicit and implicit signals presented and used in the song "let it go" adds more meaning and effect to the song. Artistically, it made the song more interesting and wonderfully crafted due to the signals used. It generally adds flavor and aesthetic value to the song making it more meaningful and colorful to the readers and even to the singers. It somehow becomes a song with full and deep meanings embedded in it due to the explicit and implicit signals that are being employed. 
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