D-Natural Blues is a jazz blues composition by guitarist Wes Montgomery, first recorded for his landmark 1960 album The Incredible Jazz Guitar of Wes Montgomery on Riverside Records. Written as a 12-bar blues in the key of D major, the tune showcases Montgomery's gift for crafting lyrical, singable melodies within the blues form. The head features a smooth, flowing theme built from chord tones, pentatonic phrases, and chromatic approaches that create a conversational melodic quality. A distinctive element of the composition is the use of rhythmic stops during the melody statement, which add dramatic punctuation to the otherwise relaxed, medium-tempo swing feel. Harmonically, the piece follows a standard I-IV-V blues progression with characteristic jazz embellishments, including dominant seventh chords and common bebop-era substitutions that provide sophistication without straying from the tune's blues foundation. The melody is closely associated with Montgomery's signature octave technique on guitar, where he would play melodic lines doubled at the octave for a rich, horn-like sound. D-Natural Blues occupies an important place among Montgomery's original compositions, standing alongside pieces like Four on Six and West Coast Blues as examples of his ability to merge bebop precision with deep blues feeling. The tune remains a staple of jazz guitar pedagogy, frequently studied for its elegant phrasing and its demonstration of how to construct compelling melodies over basic blues changes.