Q&A: 鋼琴為什麼走音？（圖片解說版）
因為光用文字來形容十分抽象，於是技窮的蔡師傅自己用AI來畫了幅圖。這編主要說明「因濕度變化而走音」及「升音後為何會很快走音」這兩個現象。
Notes
For Sale: Cleaner/Duster/Polishing Cloths by Cory Care (USA)
These are our favourite cloths for cleaning pianos. Cory Care is a small family-own business specialized in offering piano cleaning products.
For Sale: Basic Piano Tuning Kit
The piano tuning lever I recommend has a modern minimalist design. It is light and well balanced. Most importantly, it's the most affordable contemporary lever!
Q&A: 為何會斷弦？斷弦是誰的責任？
鋼琴弦線在維修或調音時突然斷了，誰也不想。換上新弦沒問題，不過一般師傅都會收取額外的維修費用。這算合理嗎？
Q&A: 怎樣算是鋼琴的「簡單清潔」和「深度清潔」？（🐭慎入）
客人預約前不時會問，調音會否連清潔。一般來說，「簡單清潔」是可以順便做做。有時，客人會選擇做「深度清潔」。究竟兩者有何不同？