The fifth button is for you to sing, case, slightly press pencil lead can become a microphone, let you go out to relax from the job, can get a kind of unspeakable joy.
2
至少需要一个麦克风,并为它配备一个架子。有人唱歌会给演奏带来更多乐趣。
Get at least one microphone, and a stand to go with it. Playing songs is a lot more fun when someone's singing!