Brian Wilson was deeply intimidated when he met The Four Freshmen as a 14-year-old fan in Los Angeles, saying he was “shaking” and could barely speak. The encounter mattered because the vocal jazz group’s intricate harmonies became a major influence on Wilson’s own arranging style, later heard in the Beach Boys’ work and particularly on Pet Sounds.

The Four Freshmen—Bob Flanigan, Ross Barbour, Don Barbour and Hal Kratzsch—were known for tightly layered, sophisticated vocal arrangements that Wilson admired during the 1950s. He saw them perform at the Coconut Grove in the Ambassador Hotel and was struck by their ability to recreate their recorded sound live; the article argues that this experience helped shape his approach to harmony and, indirectly, modern pop and rock music.