"Breath Of Heaven (Mary's Song)"
Aly & AJ
"Greatest Time Of Year"
"Breath Of Heaven" was first released in 1992 on Amy Grant's Home For Christmas album; she co-wrote the now-classic song with Chris Eaton.
Sisters/actresses Alyson and Amanda Joy Michalka had their third "Hot 100" hit "Greatest Time Of The Year" (#96) in 2006.