The singer of the first half of Brand New Love Affair (Song) is not American. Neither is the vocalist of The Halo Method.
Lukas Rossi (born December 21, 1976) is a Canadian rock musician and was the winner of the CBS Television reality series "" - a televised audition contest to become lead singer of the hard rock supergroup "Rock Star Supernova". 
Terry Alan Kath (January 31, 1946 January 23, 1978) was an American musician and songwriter, best known as the original guitarist, one of the lead singers and founding members of the rock band Chicago. 
 It consisted of guitarist Ben Moody (We Are the Fallen, ex-Evanescence), drummer Miles McPherson, vocalist Lukas Rossi (ex-Rock Star Supernova, ex-Daylight Division) and bassist Josh Newell (ex-In This Moment). 
 Guitarist Terry Kath sings the first half while bassist Peter Cetera sings the second half. 
