What makes I Saw Her Again by The Mamas & the Papas notable?

The song 'I Saw Her Again' reached number 2 on the Billboard Hot 100 chart, reflecting its commercial success. Additionally, it played a role in defining the sound of the mid-60s, blending folk elements with pop sensibilities and influencing countless artists who followed. Released on June 1, 1966, 'I Saw Her Again' came during The Mamas & the Papas' peak period following their breakout hit 'California Dreamin''. This single marked a significant moment in their career, showcasing their unique vocal harmonies and solidifying their place in the folk rock scene as they were rapidly gaining popularity.