Purely for the convenience of keyboard instruments, Baroque pitch is A415, a semitone lower than A440.

巴洛克式的音高标准定于A415， 比A440 低半级音，方便于键盘乐器 。

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Electronic organ is a modern electronic music technology and the product is a new type of keyboard instruments.

电子琴是现代电子科技与音乐结合的产物，是一种新型的键盘乐器。

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The accordion as a western keyboard instruments, since the 19th century in China have been introduced more than 100 years history.

手风琴作为一种西洋键盘式乐器，自19世纪末传入中国已经有百余年的历史了。

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During the Renaissance, musicians played the trombone in town bands, royal ceremonial bands, and in mixed ensembles with string and keyboard instruments and voices.

NPR: Young Tuba Player Gets Nod from Phila. Orchestra

On his eighth solo album, A Crooked Road, Scott reasserts his claim to fame by playing all of the instruments on the album guitar, keyboard, drums, bass, mandolin, lap steel, harp and cello.

NPR: Darrell Scott On World Cafe

The "MIDI Makes Music" campaign, sponsored by a coalition of leading industry companies and organizations including, Roland, Yamaha, Gibson, Fishman, Dave Smith Instruments, Korg, Dream, Mediamation, NAMM, AES, Keyboard Magazine, Electronic Musician Magazine and Robertson Communications, is designed to educate consumers about the benefits of MIDI technology.

ENGADGET: MIDI turns 30, gets year-long birthday bash from daddy Alt