Here are some songs which have choral singers in the background at some point in the song:
"Cry for Help" - Rick Astley
"I Want to Know What Love Is" - Foreigner
"Some People Change" - Montgomery Gentry
"Could It be Magic?" - Barry Manilow
"Love Can Move Mountains" - Celine Dion
"Angels Among Us" - Alabama
"Fire on High" - Electric Light Orchestra
"Broken Wing" - Martina McBride
"Making Love Out of Nothing At All" - Air Supply
"Cry for Help" - Rick Astley
"I Want to Know What Love Is" - Foreigner
"Some People Change" - Montgomery Gentry
"Could It be Magic?" - Barry Manilow
"Love Can Move Mountains" - Celine Dion
"Angels Among Us" - Alabama
"Fire on High" - Electric Light Orchestra
"Broken Wing" - Martina McBride
"Making Love Out of Nothing At All" - Air Supply