译文: 4和弦歌本. 颂比利·乔·. 火圈. 将圆是完整的. 各个. 易吉他乐谱. 4和弦歌本. 乱弹. 各. 对于吉他.
译文: The software features over four hours of interactive video guitar lessons, an 80-page eBook and multiple chord charts.