电子键盘型号与示范曲数据库 - yamaha:x Electronic Keyboard Models & Demo Songs Database https://demodb.org/ Fri, 05 Jun 2026 18:32:08 +0000 FeedCreator 1.8 https://demodb.org/_media/logo.svg 电子键盘型号与示范曲数据库 https://demodb.org/ YAMAHA X2500 https://demodb.org/yamaha/x/x2500?rev=1696330823&do=diff YAMAHA X2500 anonymous@undisclosed.example.com (Anonymous) Tue, 03 Oct 2023 11:00:23 +0000 YAMAHA X3500 https://demodb.org/yamaha/x/x3500?rev=1696330837&do=diff YAMAHA X3500 anonymous@undisclosed.example.com (Anonymous) Tue, 03 Oct 2023 11:00:37 +0000 YAMAHA X4500 https://demodb.org/yamaha/x/x4500?rev=1696330848&do=diff YAMAHA X4500 anonymous@undisclosed.example.com (Anonymous) Tue, 03 Oct 2023 11:00:48 +0000