What makes Down in L.A. by Brewer & Shipley notable?

The album features the notable track 'One Toke Over the Line,' which would later gain significant popularity and chart success. Though not as commercially successful as their subsequent releases, 'Down in L.A.' established Brewer & Shipley as prominent figures in the burgeoning counterculture music movement of the late 1960s. Released in January 1968, 'Down in L.A.' was Brewer & Shipley's second album, following their debut 'Down in L.A.' from 1967. At this point, the duo was beginning to carve out their niche within the folk rock scene, gaining attention for their harmonious sound and thoughtful songwriting.