City and Colour recently played London's iconic Royal Albert Hall and covered Adele's "Hometown Glory", which you can watch a video of in the replies. Dallas Green is also hoping to duet with Adele at some point.
Shad and Dallas Green's Two Songs collaboration will be released digitally on January 11th. A limited run of vinyl will also be available in their webstores and all profits will go to support Skate4Cancer.
According to this interview with Dallas Green, the new City and Colour record will be about 10 songs and out next year and he hopes to have the new Alexisonfire EP, Dog's Blood, out this fall.