I can add some carillon fun facts (with implications for OSM):

The largest Carillon in Europe is in Halle (Saale) [1] with 76 bells. They actually aimed for being the largest in the world but did bad research. Turns out there are two bigger ones with 77 bells in Bloomfield Hills, Michigan in a Presbyterian church and another one in South Korea. Since it's extremely expensive to make the large bells, they went for many tiny ones extending the carillon in the high notes. Obviously they get fainter and fainter and the last bells are impossible to hear on the square. Usually the bells can be played directly by jamming on wooden bars with your fist [2] (The bars have ropes attached to them). This is how it is in Halle, additionally a section of the carillon can be played from a Computer via MIDI. (Then they are usually excited electrically by solenoids)

In Weimar there are two Carillon curiosities:
A Meissen porcelain carillon in the townhall [3], and a glass carillon in the city music school [4].

What to tag: {example}
What material: brass/iron/porcelain/glass
Which notes: f4; g4; a4; c5
Which year: 1929
Control: Clavier, MIDI


[1] https://de.wikipedia.org/wiki/Roter_Turm_(Halle)#Carillon
[2] https://en.wikipedia.org/wiki/Carillon#/media/File:BIG_117025309040611.jpg
[3] https://de.wikipedia.org/wiki/Datei:Weimar_-_Rathaus_glocken.jpg
https://www.youtube.com/watch?v=LtGi00TYfYI
[4] https://de.wikipedia.org/wiki/Liste_von_Glocken_im_Landkreis_Weimarer_Land_und_in_Weimar#/media/Datei:Weimar-Musikschule.jpg



On 06.05.20 21:41, [email protected] wrote:
An addition to my ideas:
I think bell_tower=carillon does not really fit, because it says nothing about what kind of bell_tower it is, like the other values of bell_tower do. Wikipedia says: "A *carillon *is a musical instrument <https://en.wikipedia.org/wiki/Musical_instrument>that is typically housed in the bell tower <https://en.wikipedia.org/wiki/Bell_tower>(belfry) of a church <https://en.wikipedia.org/wiki/Church_(building)>" okay yes, typically. But that changes nothing about that it's not a type of a bell_tower, but a "content" of it. So that's why I would propose a new tag man_made=bells for it, but I see that that might be like mapping every antenna of a tower:type=communication. Not very useful. So I would go on attraction=carillon then, which could be used for the carillons when they are operated as an attraction.
--Lukas
*Gesendet:* Mittwoch, 06. Mai 2020 um 21:24 Uhr
*Von:* [email protected]
*An:* [email protected]
*Betreff:* Re: [Tagging] Is there any tagging scheme for carillons already?
Okay. So I may conclude:
- We have those carillons inside bell towers, often we do not see them at all. Not sure whether to tag those, at least the attraction=* key would not fit for all of them. - We have some carillons outside of bell_towers, and I think these are the ones which are operated as an attraction, at least in most cases. What would you say to propose something like "man_made=bells" (not man_made=bell, because several bells can then mapped as one node, for many carillons it would not be really able to map each bell of it) and "bell_count" for tagging "all kinds" of bells? These tags could be used for carillons inside and outside of bell_towers (and maybe for "other bells", too), so it says nothing about being an attraction. If people want to map only the tower, they can do. But I believe there are bells outside of towers, too. If it's purposed for people looking at it and hearing it at scheduled times and so on, we would need something like attraction=carillon or the tourism=attraction tag would have to be added to the man_made=bells, would be my suggestion then.
Someone likes to comment on that?
-- Lukas
*Gesendet:* Mittwoch, 06. Mai 2020 um 20:58 Uhr
*Von:* "Martin Koppenhoefer" <[email protected]>
*An:* "Tag discussion, strategy and related tools" <[email protected]>
*Betreff:* Re: [Tagging] Is there any tagging scheme for carillons already?


sent from a phone

 > On 6. May 2020, at 19:54, Paul Allen <[email protected]> wrote:
 >
 > I'm not sure we need to tag the carillon. The ones in churches I've
> encountered or read about aren't operated as attractions. The bells aren't > visible, the mechanisms aren't visible, the operator isn't visible and they're
 > not operated frequently.



I understand you are mostly interested in visual aspects, but OSM doesn’t have to limit itself to this, IMHO carillons are mostly about music so whether you can see them is not so important.


> I don't think we need to tag the fact that a carillon is in a church bell tower,
 > or how many bells it has. We distinguish between a bell tower and a clock
 > tower because they are visibly very different and constitute landmarks .
 > Other than that, we don't need to know what is inside.


I disagree.

Cheers Martin
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