ขนาดวิดีโอ: 1280 X 720853 X 480640 X 360
แสดงแผงควบคุมโปรแกรมเล่น
เล่นอัตโนมัติ
เล่นใหม่
The drum and bass music was a very good idea. It helped me to concentrate for five seconds and then I stopped watching and just typed this comment for the remainder of the video.
If you make educational video, pls dont add background sound like this. I started with interest and and had to stop within very short time.
The drum and bass music was a very good idea. It helped me to concentrate for five seconds and then I stopped watching and just typed this comment for the remainder of the video.
If you make educational video, pls dont add background sound like this. I started with interest and and had to stop within very short time.