well i have a boss gt 10 and i connected it via usb for recording my guitar sound,and when i record it in mono(in audacity),first i play some chords and then when its playing i record solo on it ,of course when i m recording im recording them in two different channels and normally when i convert it to mp3 solo comes from left and the chords come from right speaker.What can i do to convert the monos into stereo ?