Fine but you need to know "how" or "when" to use them. Dominant 7th (9ths and 13th) are preparation chords to resolve to the tonic except in the case of a deceptive cadence. And they are also used on the 1,4 and 5 chords in blues to give that bluesier sound though in a blues scale the 7th is flat.
On 01/05/2012 11:29 AM, John wrote: > Dominant 7 chords are also used as passing chords to add spice into your > music. > > > --- In FairfieldLife@yahoogroups.com, cardemaister<no_reply@...> wrote: >> >> I'm not absolutely sure about that, but I guess I finally >> figgered out why e.g. C7 is called a *dominant* seventh chord >> (of the C major scale?). >> >> As most of us might know, the 7 in C7 is B-flat, which >> doesn't belong to the C major scale. >> >> But if you form a similar seventh chord starting (as the root) from >> the *dominant* of C major scale, which is G, the diminished >> seventh is F, which is the fourth (subdominant) of the >> *C major* scale. :o >> > >
