Continuously searching for their unique colors, Wonder Girls returned with their 1st self-composed title song that shows their musical abilities. With Wonder Girls trying out the reggae genre for the first time, "Why So Lonely" holds a dreamy atmosphere with a combination of different sounds. Visit ‘Simply K-Pop’ Official Pages Facebook: https://www.facebook.com/arirangsimplykpop Twitter: https://twitter.com/_Simplykpop Visit ‘Arirang K-Pop’ Official Pages Facebook(K-POP): http://www.facebook.com/arirangkpop Homepage: http://www.arirang.com Facebook: http://www.facebook.com/arirangtv Twitter: http://twitter.com/arirangworld Instagram: http://instagram.com/arirangworld