EL PASO – The beat was big and loud, echoing in my chest, and the flashing lights were like an array of Technicolor feeding the crowd’s hungry eyes. I looked around and I could almost see the pure joy exuding from everyone’s faces. Their ear-to-ear smiles said it all. In that huge sea of people dancing to Tiesto’s “Adagio for Strings,” under the Sun City’s starry sky, I was one with the crowd and it was perfect. Electronic dance music has been around since the mid-1990’s, roughly, but it has been growing in popularity and is perhaps at its peak right now.