Many different artists have a song by that name, including Paramore, Sr-71, Fabian Buch, and most likely several more.
I know it is Paramore
Its by Hellogoodbye with Here (In Your Arms).
Jessie James sings pop/country
Dragonette was the most recent she sang it with Martin Soveig! Great song Hope this helps :)
Took me forever to find out as well... the bands name is "Hello Dave Band" found here http://answers.yahoo.com/question/index?qid=20080729102028AA8xOHx and http://www.hellodave.com/
Kenny chesney sings you had me from hello.
Paramore.
'Hello' by Martin Solveig
The Beatles - Hello Goodbye
Michael mepurgo
The Who - Boris the Spider
The Beetles
I know it is Paramore
James Taylor
Richard Lawrence Wolf.
It is sung by Martin Solveig & Dragonette.
The Jonas Brothers sing Hello Beautiful. It is on the album with their OTHER song Year 3000.