Holla

Described as '1st Digital Single'; CD released only as promo. EXID debut with six members ([a4673947], [a4382937], [a4382938], [a4496111], [a5068969] & [a5068965]), the latter three departing two months later (to form, with one other, [a3939115]). CD housed in DVD-sized digipack with 18-pp photo-booklet attached inside front cover.