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| 2012/09/26 14:52:57瀏覽107｜回應0｜推薦1 | |
Piano tuning - Piano Tuning Tuning bass piano notes with harmonic accordance on piano Piano Tuning basics by Scott Ramsey #1 Piano Tuning Basics by Scott Ramsey #2 Piano Tuning Basics #3 by Scott Ramsey: Pitch Raising tuning hammer technique on grand piano Learn About the Parts of a Piano
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