My laptop is DELL5458. I just installed karaoke app called everysing by installing apk in bluestacks. When I tried to record the song while inputting earphone, the app only record my voice and not the song. So, I unplugged the earphone, and sing again but the result is the same. Can I fix anything in the settings of the laptop so that the app will record both the song and my voice?? Please help..