- Twelve-bar blues
The 12-bar blues is one of the most popular
chord progressionsin popular music, including the blues. The blues progression has a distinctive form in lyricsand phrase and chord structure and duration. It is, at its most basic, based on the I-IV-V chords of a key.
The blues can be played in any key, but
guitarand bass players prefer open chords, that is, chords with several open strings: E-A-B7 or A-D-E7. Keyboardists may prefer chords with fewer accidentals such as C-F-G7 or G-C-D7.
The blues progression, in C, is as follows:
"Popular music symbols" C C C C C7 C7 C7 C7 F F C C or F7 F7 C7 C7 G F C C G7 F7 C7 C7 audio|Twelve bar boogie-woogie blues in C.mid|Play
The first line takes 16 quarter notes (4 bars × 4 beats), as do the remaining two lines (for a total of 48 beats and 12 bars). However, the vocal or lead phrases, though they often come in threes, do not coincide with the above three lines or sections. This overlap between the grouping of the accompaniment and the vocal is part of what creates interest in the twelve bar blues.
Many variations are possible. The common "Quick to Four" variation uses the subdominant chord in the second bar, yielding:
When the last bar contains the dominant, that bar can be called a "turnaround".
In jazz, 12 bar blues progressions are expanded with moving substitutions and chordal variations. The cadence (or last four measures) uniquely leads to the root by perfect intervals of fourths.
There are also minor 12-bar blues, such as "
Why Don't You Do Right?", made famous by Lil Greenwith Big Bill Broonzyand then Peggy Leewith the Benny GoodmanOrchestra. Major and minor can also be mixed together, a signature characteristic of the music of Charles Brown.
While the blues is most often considered to be in sectional
strophic formwith a verse-chorus pattern, it may also be considered as an extension of the variational chaconneprocedure. Van der Merwe (1989) considers it developed in part specifically from the American Gregory Walkerthough the conventional account would consider hymns as the provider of the blues repeating chord progression or harmonic formulae (Middleton 1990, p.117-8).
Most commonly, lyrics are in three lines, with the first two lines almost the same with slight differences in phrasing and interjections.
:I hate to see the evening sun go down,:Yes, I hate to see that evening sun go down:'Cause it makes me think I'm on my last go 'round ::
W.C. Handy's "St. Louis Blues"
However, many songs exist that are written in the blues chord progression do not use the three-line form of lyrics. For instance, "
I'm Movin' On" has a verse in the first four bars and a chorus in the final eight bars:
:That big eight-wheeler rollin' down the track:Means your true lovin' daddy ain't comin' back.
:I'm movin' on, I'll soon be gone:You were flyin' too high for my little old sky:So I'm movin' on.::
Hank Snow's " I'm Movin' On"
Here is an example showing the 12 bar blues pattern and how it fits with the lyrics of a given verse. One chord symbol is used per beat, with "-" representing the continuation of the previous chord:
I - - - IV - - - I - - - I7 - - - Woke up this morning with an awful aching head IV - - - IV7 - - - I - - - I7 - - - Woke up this morning with an awful aching head V - - V7 IV - - IV7 I - - - I - V V7 My new man had left me, just a room and an empty bed.
Bessie Smith's " Empty Bed Blues".
The 12-bar blues chord progression is the basis of thousands of songs, not only formally identified
bluessongs such as "St. Louis Blues", " Shake, Rattle and Roll" and " Hound Dog", but also gospelsongs, such as " I'm So Glad (Jesus Lifted Me)", jazz classics like " One O'Clock Jump" and "Night Train", pop and rock songs, including Glenn Miller's " In the Mood", The Beatles' " Why Don't We Do It In The Road?", and The Clash's " Should I Stay or Should I Go", Top 40hits like Fabian's " Turn Me Loose", Mercy by Duffy, " At the Hop" by Danny and the Juniors, and the Theme from the Batman TV Series. The vast majority of boogie woogiecompositions are 12-bar blues, as are many instrumentals, such as " Rumble" and " Honky Tonk".Fact|date=June 2008
*"St. Louis Blues" is unusual in having a bridge, the famous habanera that gives it a
boogie woogiepianist, Cripple Clarence Loftonfrequently truncated the chord continuation, ending up with some verses at nine, ten, or eleven bars.
*The blue yodels of Jimmie Rodgers, the singing brakeman, are usually of twelve bars, including the repeated first line, but the three lines of lyrics are delivered across the first eight bars, with Rodgers' trademark
yodeling obbligatofilling the last four.
Chuck Berry's "Oh Carol" is a 24-bar blues, with each line doubled in length by the addition of a guitar lick after the vocal part.
*The melodies of
The Beatles's " Day Tripper", Glenn Miller's " Moonlight Serenade", and "Boddisatva" by Steely Danstart with the first eight bars of the 12-bar progression.
Blues Traveler’s song “Warmer Days”, from their debut album, is a thirteen-bar blues. The tenth bar is repeated in each verse.
Led Zeppelin’s song “Rock and Roll”, from their fourth album, alternates the progression length within the song. Each instrumental verse (including the introduction and the guitar solo) is a twelve-bar blues, while each sung verse is a 24-bar blues, with each bar of the progression being held for two bars instead of one.
David Lindley’s version of “Mercury Blues”, from the " El Rayo-X" album, uses a variation on the progression. The ninth bar uses a minor chord on the submediantrather than the dominant, and the tenth bar uses a dominant rather than a subdominant. (In Roman-numeral notation, the third line would be written VIm-V-I-I.) The other bars are as in the basic progression. (As originally written by K.C. Douglas, the song uses a standard progression.)
*Queen's song "
I Want To Break Free" uses the twelve-bar pattern for its verses, with a different chord progression only for the middle eight. However, its arrangement (particularly the use of synthesizers) is different from a typical twelve-bar song.
Steely Dan’s song “Chain Lightning”, from the album " Katy Lied", has a twelve-bar structure and rhythm, but only uses some of the basic progression. The fifth and sixth bars use the mediant, while the seventh and eighth bars use the subtonic. The ninth and tenth bars use the subdominant and the dominant, but in that order (rather than reversed, as in the standard progression). In Roman-numeral notation, the progression runs as follows:::
*The song “Mother”, written by
Andy Summersand included on The Police’s "Synchronicity" album, uses a twelve-bar minor-chord blues structure in 7/8 as its musical accompaniment.
Eight bar blues
Sixteen bar blues
50s progression, another popular chord progression in Western popular music.
* [http://how-to-play-blues-guitar.com/blues-concepts/blues-chord-progressions-and-variations/ Blues Chord Progressions and Variations] : Common variations in the twelve bar form. Published 8-14-08. "How to Play Blues Guitar.com"
*Covach, John. "Form in Rock Music: A Primer", in Stein, Deborah (2005). "Engaging Music: Essays in Music Analysis". New York: Oxford University Press. ISBN 0-19-517010-5.
*Middleton, Richard (1990/2002). "Studying Popular Music". Philadelphia: Open University Press. ISBN 0-335-15275-9.
*Van der Merwe, P. (1989). "Origins of the Popular Style". Oxford: Clarendon Press. ISBN 0-19-316121-4. Cited in Middleton (1990).
* [http://betweenthelicks.com/blues-guitar/12-bar-blues-and-variations 12 Bar Blues and Variations] .
* [http://www.outsideshore.com/primer/primer/ms-primer-5-2.html#Blues Marc Sabatella's Jazz Improvisation Primer] .
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