"Hello" is a song by American poprecording duo Karmin. The song is the second official single from their debut EP of the same name, Hello. It was written by band members Amy Heidemann and Nick Noonan, along with production team Stargate, Autumn Rowe and collaborator Claude Kelly. The song began playing on mainstream radio stations July 31, 2012.Hello was the group's second song to top the Hot Dance Club Songs chart after Brokenhearted.
Karmin shot the music video for "Hello" in the China Town plaza in Los Angeles in June 2012. A forty-second teaser for the video was released on Karmin's official YouTube channel on August 4, 2012. The music video was released to MTV, VH1, and VEVO on August 7, 2012.
The duo previewed the song in live acoustic settings on their promotional radio tours in early 2012, as well as recent events like LA Pride 2012, Kansas City Pride 2012, and the "R U on the List" Tour with tour mates Flo Rida, Cee-Lo Green, B.o.B and Kirko Bangz. They also performed the song on 2nd Indonesian Choice Awards.