#877 結他維修隨筆：【 Gibson ES-175 Setup 】
Gibson ES-175（1949 Full-Hollow）setup：唔靠數字，用耳仔同手指聽返呼吸感。A vintage ES-175 setup by ear and feel, not numbers alone.
#876 結他維修隨筆：【 加裝 Ghost piezo 同 preamp 】
幫一支原本有十種音色嘅結他加裝 Ghost piezo 同 preamp，多埋自然 acoustic 音色。A Ghost piezo and preamp add natural acoustic tone to a guitar that already had 10 sounds.