Guitar and Music Theory

1. capo: 变调夹
2. frets: 品
3. humidifier: 适度调节器
4. soundhole pickup: 拾音器
5. metronome: 节拍器
6. chord-block diagram: 和铉图 fret-board maps: 指板图
7. 
8. 1(E), 2(B), 3(G), 4(D), 5(A), 6(E, two octave lower than 1); octave: 八度音阶
9. accidental: 变音记号; clef: 谱号; staff: 五线谱
10. time signature: 拍号，如4/4, 3/4
11. n
12. n
13. n