Many Brown Eyed Girls fans have been eagerly anticipating the arrival of member Ga-In's solo debut, and it looks the wait is over!  A quick tease of her upcoming track, "Irreversible", has been released! On last night's episode of SBS's 'Inkigayo', viewers got a nice little surprise, as the teaser aired during the broadcast of the live music show.  It has been reported that Ga-in's mini-album is set to be released in the second week of October. Though the teaser doesn't really reveal much, it's still exciting to know that her solo debut is just around the river bend. Check it out below! http://www.youtube.com/watch?v=3_SCknixCms Be sure to stay tuned to allkpop for Ga-in's debut! Source: SBS Inkigayo Photo: Newsen Tip: jeann