[LAU] Difference F7 and Fmaj

[frank pirrone]

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Brett McCoy wrote:
> On Mon, Aug 4, 2008 at 3:10 PM, rosea grammostola
> <rosea.grammostola at gmail.com> wrote:
> 
>> First: I have changed my email adress a while ago and I try to use this
>> emailadress instead of schoappied now. My real name in real life is Dirk.
>>
>>
>> Can someone tell me if there is difference between F7 and Fmaj7, what is
>> that difference theoretical spoken?
> 
> Fmaj7 chord has 1 3 5 7
> Fmin7 chord has 1 b3 5 b7
> F7 (dominant 7th) chord has 1 3 5 b7
> 
> -- Brett
...and since this was a pretty basic question let me focus on just one
difference between the two chords:  the half-step between the dominant 7
and the major 7.

The word major in that chord's name indicates that the seventh note in
the scale is raised a half-step over the same chord without that
designation in the name.  Same applies with a Major 9th chord - the
seventh is again a half-step higher than in a plain 9th

Frank
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