IMPORTANT! An audio context needs to be explicitly created by the user through an action. Here happens on document click. Nothing will be played until creation.
data-sound specifices which sounds needs to be played.
Value needs to be a number and refers to the index of the linked tracks. Starts at 0 and not 1
data-trigger defines the triggering event.
Can be hover or click.
data-audio="toggle" enables toggling the audio on and off based on click of that element.