Brooklyn-based duo Joanna Katcher and Maia Macdonald -- aka Mitten -- wrote the songs on their debut EP, See You Bye, via email. Katcher would send Macdonald a bit of music and a few hours later she'd send the vocals back. The two continued this way until they had built enough shimmering electro-folky songs to put out the EP and begin playing around NYC in earnest (along with percussionist Ryan Fitch in tow) and now they're storming the city's indie music scene.