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What is some good christian songs for me to be albe to sing well?

Im entering a contest for church and i need some ideas for Christan songs to sing at a 12 year old level ………..that i can sing really well i can sing i but not extremely high and low but not extremely low
Please help!!!!!!!!!!!!!!!!!!!

What type of music do you like? Personally I like pop/rock music so I hope it helps.
"What Faith Can Do" by Kutless (I think most songs by Kutless are pretty good to sing actually)
"Follow You" by Leeland
"It’s Your Life" by Francesca Battistelli
"Indescribable" by Chris Tomlin
"All Along" by Remedy Drive
"You Invite Me In" by Meredith Andrews
"Your Grace Still Amazes Me" by Phillips, Craig and Dean
"The Words I Would Say" by Sidewalk Prophets
Good luck in your contest! God bless :)
Merry Christmas!
-Love