the altered mode - pianogroove.com · the altered mode introduction the altered scale is an...

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www.pianogroove.com The Altered Mode Introduction The altered scale is an excellent way to gain access to all of altered tensions of a dominant chord. In fact, the altered scale contains every possible altered chord tone which is the b9, #9, #11 and #5 (or b13) – remember that the #5/b13 is the same note, but jazz musicians use both names which can be confusing. With all of these alterations, it’s no surprise that the altered mode is a tough one to visualise and memorise in all 12 keys. Understanding how to resolve the Altered Tensions in the scale So now that we have a good understanding of the construction of the altered mode. Let’s explore how we can resolve the altered tensions in the scale. This is perhaps the most valuable piece of information to take away from this lesson. If we think back to the 251 progression, we know that the 7 th of the chord always resolves down a half step to become the 3 rd of the next chord. You can use this resolution in your lines to outline the chord change that is taking place, let’s look at a few examples. In the same way that the 7 th wants to resolve to 3 rd in a 251, the alterations of the altered mode have strong resolution points that you can utilise in your improvised lines. Remember that one of the hallmarks off jazz is the creation of tension and then resolution of tension and so having an understanding of how to resolve alterations is very important. To demonstrate this let’s use a 5-1 progression in C- which is G7alt to the 1 chord C- Here’s the G Altered mode, working from the bottom upwards, the first alteration is the b9. In terms of the 1 chord, the b9 is a half step above the 5 th of C. The fifth is a primary chord tone of C major and so moving from the b9 to the 5 th creates a strong sense of resolution. This is the same in any key, the b9 of the 5 chord is half a step above the 5 th of the 1 chord.

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Page 1: The Altered Mode - PianoGroove.com · The Altered Mode Introduction The altered scale is an excellent way to gain access to all of altered tensions of a dominant chord. In fact, the

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TheAlteredModeIntroductionThealteredscaleisanexcellentwaytogainaccesstoallofalteredtensionsofadominantchord.Infact,thealteredscalecontainseverypossiblealteredchordtonewhichistheb9,#9,#11and#5(orb13)–rememberthatthe#5/b13isthesamenote,butjazzmusiciansusebothnameswhichcanbeconfusing.Withallofthesealterations,it’snosurprisethatthealteredmodeisatoughonetovisualiseandmemoriseinall12keys.

UnderstandinghowtoresolvetheAlteredTensionsinthescale

Sonowthatwehaveagoodunderstandingoftheconstructionofthealteredmode.Let’sexplorehowwecanresolvethealteredtensionsinthescale.Thisisperhapsthemostvaluablepieceofinformationtotakeawayfromthislesson.Ifwethinkbacktothe251progression,weknowthatthe7thofthechordalwaysresolvesdownahalfsteptobecomethe3rdofthenextchord.Youcanusethisresolutioninyourlinestooutlinethechordchangethatistakingplace,let’slookatafewexamples.Inthesamewaythatthe7thwantstoresolveto3rdina251,thealterationsofthealteredmodehavestrongresolutionpointsthatyoucanutiliseinyourimprovisedlines.Rememberthatoneofthehallmarksoffjazzisthecreationoftensionandthenresolutionoftensionandsohavinganunderstandingofhowtoresolvealterationsisveryimportant.Todemonstratethislet’susea5-1progressioninC-whichisG7alttothe1chordC-Here’stheGAlteredmode,workingfromthebottomupwards,thefirstalterationistheb9.

Intermsofthe1chord,theb9isahalfstepabovethe5thofC.ThefifthisaprimarychordtoneofCmajorandsomovingfromtheb9tothe5thcreatesastrongsenseofresolution.Thisisthesameinanykey,theb9ofthe5chordishalfastepabovethe5thofthe1chord.

Page 2: The Altered Mode - PianoGroove.com · The Altered Mode Introduction The altered scale is an excellent way to gain access to all of altered tensions of a dominant chord. In fact, the

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Hereisaverycommonalteredscalepatternsthatusesthisresolution.Thisexactpatternorslightvariationsofitcanbeheardincountlessrecordingssolistenoutforit.The#9tob9to#5hasadistinctivesoundnomatterwhatkeyyouareplayingin:

Thisalteredlickstartsonthe#9andthenrunsdowntheb9,#5,major3andthenthe#9andb9againbeforeresolvingintothe5ofthe1chord.

Thispatternalsoworkswellovermajor251s,rememberthatyoucansubstitutethealteredmodeoverthe5chordinanymajor251progression.

Anotherstrongresolutionpointisintothe9ofthe1chord.The#11andthe#5enclosethe9ofthe1chordandsoyoucanuseeachofthesealterationstocreateastrongsenseofresolution.We’lllookatanexampleinamoment.Inaminor251,the#11whichcanalsoresolvedownahalfsteptotheroot,however,theupwardsresolutiontothe9thisstrongerandlandsonacolourfulextension.

Nowletstalkaboutharmonisingthescale:Youcangetsomeverycoolsoundsoutofthealteredmodebyharmonisingeachnoteofthescalewith7thchords.

Page 3: The Altered Mode - PianoGroove.com · The Altered Mode Introduction The altered scale is an excellent way to gain access to all of altered tensions of a dominant chord. In fact, the

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Youshouldpracticearpeggiatingthese7thchordssothatyouarefamiliarwiththeshapesandsounds.Onceyouhavedonethisyoucantryaddingthemtoyourline.Themaj7#5arpeggiobuiltoffthemajor3isparticularlyuseful.ForG7altthisisaBmaj7#5chord.Here’sacoupleofexamples.Inthefirstoneweplay3descendingarpeggiosoverthe251:

InthenextexamplewecombinedownwardsandupwardsarpeggiosagainusingtheBmaj7#5arpeggioovertheG7altchord:

Asanexercise,transposetheselinesintoafewdifferentkeys.Themainbenefitofharmonisingthescaleusing7thchordsisthatyoucanaddmoreangularsoundingintervalsintoyourlines.Oftenwhenyouarejustthinkingofthescaleasasequentialsetofnotes,youtendtocreatelinearlinesthatsimplyrunupanddownthescale.Learningtocombinearpeggioswithstepwisescalemotionwillallowyouunlockmuchmoreinterestingmelodiccontourswithinthealteredmode.