英文關鍵字
acoustic
adjustment
adult
art
background
black
carry
case
caucasian
classical
closeup
concert
finger
fretboard
girl
grip
hand
hard
hobby
horizontal
indoors
instrument
jazz
leather
lift
man
melody
music
musical
musician
open
ornate
perform
performance
performer
person
play
player
protect
protection
remove
singer
soft
song
sound
string
touch
ukulele
wood
wooden