What does 'return on sonic investment' (ROSI) typically measure in brand performance research?
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A
The number of Spotify streams generated by a brand's audio logo
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B
The incremental lift in brand recall, purchase intent, and brand equity attributable to a consistent sonic identity investment
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C
The cost savings achieved by producing brand audio in-house rather than using an agency
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D
The royalty income generated by licensing the brand's music to third parties