the video shows an ecg wave on the screen

Prompt 1: a digital audio waveform with a blue background and a green line that moves up and down in time with the music. the waveform is smooth and continuous, and the green line is the only visual element is short and straightforward, with no other notable details.

Prompt 2: a blue background with a green line that moves up and down in time with the music. the audio waveform is smooth and continuous, and there are no other visual elements is short and simple, with the focus on the audio waveform.