[LAU] New Bach from Aeolus and me

[david]

M Watts wrote:
> On 06/17/2010 07:44 PM, david wrote:
> 
>> Organ registrations are a mystery to me, too. How can I learn about them?
>>
> 
> Try this book:
> 
> Organ-Stops and Their Artistic Registration by George Ashdown Audsley 
> (ISBN: 9780486424231)
> 
> This link has some info on how the various foot lengths relate to the 
> harmonic series etc.:
> 
> http://www.lawrencephelps.com/Documents/Articles/Beginner/pipeorgans101.html 
> 
> 
> There's a stop dictionary at http://www.organstops.org/
> 
> Basic crash course:--
> 
> The main manual stops are at 8' pitch; it takes an open pipe of 8' 
> sounding length to produce the C under the bass staff.  The main pedal 
> stops are 16', an octave lower.  The pedals are usually, but not always, 
> coupled to whatever manual is currently in use.
> 
> Flue stops:
> The main 'organ' sound is the Diapason or Principal; these are either 
> open pipes (Principal, Octave, Fifteenth) or stopped, with a plug in the 
> end, sounding softer (Dulciana, Salicional).  A stopped pipe sounds an 
> octave lower than its length would indicate.
> 
> Mutation stops and mixtures are also diapason-type, not used by 
> themselves; mutations are single ranks, sounding one of the harmonic 
> series other than the octave (Twelfth, Quint, Septime, None, Tierce, 
> Larigot); mixtures are multi-rank, for adding brightness (Cymbel, 
> Furniture, Cornet, Sesquialtera).
> 
> There are flutey-sounding flue stops (Claribel, Hohlflute, Gedact, 
> Gemshorn, Suabe), and stringy-sounding flues (Geigen, Gamba, Violone).
> 
> Reed stops:
> These use reed, usually of brass, to produce the sound; they range from 
> smooth and quiet (Cornopean, Oboe, Vox Humana) or loud & agressive 
> (Ophecleide, Posaun, Bombarde, Trumpet).
> 
> Couplers etc:
> These couple various manuals together, allowing stops from one manual to 
> be played on another.  Sometimes there are octave- and suboctave-couplers.
> 
> E.g. in Aeolus, the Great to Pedal coupler is labelled P+1, meaning the 
> pedals will play the stops drawn on Manual I, as well as its own.
> 
> So in Aeolus, a basic organ sound is:
> 
> Manual I: Principal 8, Principal 4, Octave 2
> Pedal: Subbass 16, P+I
> 
>  From here, add any or all of Octave 1, Quint 2 2/3, Mixtur; Add or swap 
> Principal 16 for Subbass on the pedal.
> 
> (Sorry for thread hijack :))

Thanks for the info - that's a lot!

No worry about thread hijack, since I did it before you got involved! ;-)

-- 
David
gnome at hawaii.rr.com
authenticity, honesty, community