"London Blues" is an original composition by pianist Brad Mehldau, built on the 12-bar blues form in F major. First recorded for his 1995 debut album Introducing Brad Mehldau on Warner Records, it later appeared on Art of the Trio, Vol. 4, becoming one of his most revisited originals. Despite its straightforward blues structure, the composition exemplifies Mehldau's approach to working within established jazz forms while embedding harmonic sophistication beneath an accessible surface. The melody sits naturally within the blues idiom, providing a framework that invites both traditional blues-inflected playing and more abstract harmonic exploration. The 12-bar form functions as a structural scaffold that Mehldau and his trio collaborators use as a launching point for extended improvisation, balancing intellectual rigor with the emotional directness inherent in the blues tradition. As one of several originals on his debut album alongside pieces like "Angst" and "Young Werther," "London Blues" helped establish Mehldau's identity as a composer comfortable bridging the jazz tradition and his own modernist inclinations. The piece has attracted attention from transcribers and analysts, with detailed transcriptions of Mehldau's recorded solos circulating among jazz pianists and students. Sheet music is commercially available. "London Blues" remains primarily associated with Mehldau's own trio performances and has not been widely adopted into the broader jazz repertoire by other musicians, though it stands as one of the more recognizable compositions in his original catalog.