Who sings that country song that goes like.....when it rains, I hate to be lonely or something like that...?

It's a male country singer

i think you mean "When it rains, I don't mind being lonely"
and its called When It Rains by Eli Young Band
the lyrics are at: http://www.lyrics007.com/Eli%20Young%20B...

hope it helps :)
if you want the song just email me

Gary Allen??

Jason Aldean.........Trent , Brad Paisley? I don't know