The term harmonize is from late 15c., "play or sing in harmony," from French harmoniser (15c.), from Old French harmonie (combination of tones pleasing to the ear, 14c.). Meaning "be in harmony (with), go well together" is from 1620s. Transitive sense "bring into harmony" is from 1700; figurative sense "bring into agreement" is from 1767. Meaning "add harmony to (a melody)" is from 1790.

What aspects of the customer buying/decision cycle are "pleasing tones to the brand?" Companies should harmonize customer experiences and commerce experiences (brand, retailers, consumer). Harmonize digital, offline, retail, mobile, consumer economy, experience economy, supply, and demand. Align accounting, finance, technology, operations, and marketing around a central view of the customer. The customer engagement is a rigorous effort requiring harmony of data, customer feedback, brand behavior, advertising, and marketing to bring the customer to the place where the experience is best for the them.

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Search for harmony, centralize the decision, pleasing tones and sounds