It was this deliberately, kind of, jangly, jokey children's joke rap track.

这是，有点刺耳，开玩笑儿童笑话说唱曲目。

The belief that this time, the pull of a lever will bring flashing lights and jangly music.

相信这一次，拉动控制杆就会带灯光和刺耳音乐。