"Yes, the River Knows" is one of the most contemplative tracks on The Doors' 1968 album Waiting for the Sun, a gentle, flowing song that features Robby Krieger's electric guitar solo as its instrumental centerpiece. Krieger's playing in E major is lyrical and unhurried, his clean, slightly reverberant tone weaving melodic lines that complement Jim Morrison's meditative vocals about nature and self-knowledge. The solo has a spacious, almost pastoral quality that distinguishes it from the more aggressive guitar work found elsewhere on the album, each phrase breathing with the organic rhythm suggested by the song's river imagery. Ray Manzarek's keyboard provides a lush harmonic bed beneath the guitar, and John Densmore's gentle percussion maintains the song's flowing momentum. The track represents a different side of The Doors' artistry, one that favored subtlety and atmosphere over the dramatic intensity of their better-known material. Krieger's solo demonstrates his versatility as a guitarist, showing that he could be as effective with restrained, melodic playing as with the more flamboyant psychedelic techniques that characterized many of his solos. The song's quiet beauty makes it a hidden gem in The Doors' catalog.