Girl Loses Her Brother, Walks Through Church Singing Tribute You Can't Ignore

Duane and Cindy Mullet are blessed to have five children, one of whom has already gone to be with the Lord. Duane has served with Gospel Express prison ministry for more than 30 years while Cindy homeschools their children. Together, the family has found a unique way to minister to others - through sharing their God-given vocal talents with the world.

Austin endured two heart transplants and battled two types of cancer in his 16 years of life. Little sister Kyra began singing the touching song "I Can Only Imagine," melodically uttering the first few verses after her father walks her up to Austin's gravesite.