The Doors execution with the song, was to feature elements from
R&B The song begins with a
fiddle played by Jimmy Buchanan and builds to a refrain which Testa compares to "
Touch Me", the Doors earlier hit from
The Soft Parade. while
AllMusic critic
Richie Unterberger dismissed it as a "strange
bluegrass-
soul blend" and regarded it as one of the weakest songs on
Soft Parade.
Rolling Stone critic
Dave Marsh called it the Doors' "only really humane song", saying that it is "puppy-dog-charming in its clumsiness and lack of anything approaching soulfulness."
Cash Box described it as "smooth, adaptable for dance-minded teens, and even more commercially potent than" the Doors' recent singles, and incorporating a touch of
country music.
Record World said "features some heavy production touches and a stompin' beat the kids will dig."
Ultimate Classic Rock included it among the "Top 10 Robby Krieger Doors Songs". Chris Ingalls of
PopMatters overviewing the 50th Anniversary edition of
The Soft Parade, declared "Runnin' Blue" as one of the "oddities" of the album, and deemed its chorus as "cringe-worthy". The song was also included on the Doors 1972
compilation album Weird Scenes Inside the Gold Mine. ==Personnel==