During Maroon 5's concert in New York City Wednesday night, Kanye West came out for a special version of his song "Heard 'Em Say" (which uses the hook from M5's "Nothing Lasts Forever"). Kanye even threw in a line about his feud with MTV, though it's barely audible in the captured video.

 

Otherwise, Maroon 5 played material from both of their albums, and played a little bit of the new White Stripes hit "Icky Thump" at the end of one song.

 

Here are two videos of Kanye's appearance. The first is decent quality but short. The second is poor quality, but much longer. I know, there can't just be a full, decent-quality video, but hey, turns out cell phones aren't the best bootlegging equipment.