The kids are performing at a nursing home. When they are walking through the hallway, lockers are clearly visible suggesting that they are actually in a school.
When the man takes Brittany's 10 dollar bill from her hat, replaces it with a 1 dollar bill, and gives Brittany money back, the bill he gives her is a 20 dollar bill, not a 10 dollar. When the camera faces Brittany again, she is holding a 10 dollar bill, but when she hands the bill to the man on the sidewalk (she says "Happy birthday"), it is again a 20.
When Alana walks into the fire station to practice with the fireman, her jacket is gold. When she begins stretching with them, her jacket is silver.