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This is tricky. Good (1982) is cited in the article as saying that European makers are still holdouts on including a sostenuto pedal, but this reference is now 33 years old. Larry Fine's The Piano Book, published 2001, suggested that the sostenuto is by now included on essentially all high-quality grands, but he doesn't specifically describe a recent conversion by the Europeans. I think more information on this would be helpful. Fine also mentions middle pedals with different functions (like raising only the bass dampers), so the issue of three vs. two is not quite the same as sostenuto or no sostenuto. Opus33 (talk) 23:06, 4 October 2015 (UTC)[reply]
Following up with a search of the website of a few European manufacturers: sostenuto is standard with Bechstein, Boesendorfer, Fazioli, and Petrof. You can get it as an option on Grotrian. Bluethner doesn't say but their images show three pedals and it's unlikely that the middle pedal is other than a sostenuto. I was sad to see that Pleyel is out of business and Broadwood now makes only uprights. Upshot is that it doesn't seem to make sense any more to single out European makers as holdouts on the sostenuto and I will shortly edit accordingly. Thanks for bringing this up. Opus33 (talk) 15:55, 5 October 2015 (UTC)[reply]