Isfahan is a lyrical jazz ballad composed by Billy Strayhorn, originally sketched in 1963 under the working title Elf. The piece was inspired by the Duke Ellington Orchestra's world tour, drawing not on the musical traditions of the Iranian city for which it is named but rather on the sense of foreignness and wonder that travel evoked in Strayhorn and Ellington's mature collaborative style. Written as an alto saxophone feature tailored specifically for Johnny Hodges, the melody is built around a recurring descending major seventh arpeggio motif that gives the piece its soaring, sentimental character. The composition found its definitive form on the Far East Suite, recorded in December 1966 and released in 1967 on Reprise Records, an album that earned a Grammy for Best Instrumental Jazz Performance. Isfahan stands among the final works Strayhorn completed before his death in May 1967, and many regard it as the purest expression of the Ellington-Strayhorn partnership in their postwar output. Despite being recorded over 200 times across a wide range of interpretations, the tune remains somewhat less familiar to general audiences than Ellington standards like Take the A Train. Notable recordings include the original Ellington Orchestra version featuring Hodges and a WDR Big Band Quartet adaptation that reimagines the piece in a small-group setting.