Nostalgia Alert: Beloved Brands Bring Back Iconic Jingles. Many of us can still hum the catchy tunes that accompanied our childhoods, from the cheerful ring of "Like a Good Neighbor, State Farm is There" to the upbeat beat of "Melts in Your Mouth, Not in Your Hands" for M&M's. In a bid to win over new generations and reconnect with loyal customers, several iconic brands are reviving their classic jingles, sparking a wave of nostalgia and excitement among music lovers and marketers alike. But what's behind this resurgence of earworms, and will these catchy tunes help brands stand out in a crowded market?