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.
On Hover
On Hover
On Hover
Hover this.
On Click
On Click
On Click
Click this ones.
Toggle On / Off
Starts and stop the playback