Audio player

Sure, here's the combined code with HTML, CSS, and JavaScript: ```html

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``` This combined code includes the HTML structure, CSS styles, and JavaScript functionality in a single file. The HTML structure defines the layout and elements of the audio player, the CSS styles define the visual appearance, and the JavaScript code handles the audio playback and updates the progress bar and time display. The key difference from the previous version is that the CSS styles are now embedded directly in the HTML file, and the JavaScript code is placed at the end of the `` section. This approach can be more convenient for smaller projects or when you want to have everything in a single file. Feel free to customize the styles and functionality further as needed.