In Dallas, when Chiles is singing the song "A Little Bit Stronger", her hand is on her stomach in one shot and her chest in the next shot.
While Kelly is lying on Chiles in the taxi cab, Kelly's jacket alternates being closed and open several times.
When Chiles is with Beau in her hotel room and James knocks on the door, Chiles is seen putting on her red and gray baseball style shirt twice.
When Chiles is singing, during the bar scene after she freezes, the microphone stand behind her keeps moving.
After the third show which was in Dallas, someone announced that "The Chronicle" was there. The Chronicle is the Austin entertainment guide; not Dallas.
At 4:25, when Kelly sings "I remember that day", the lip movement does not sync.
A billboard referencing Nashville exit 209A is very prominent in the background, and the Nashville skyline is shown while supposedly in Dallas. Also, there are Nashville TV station logos on the microphones.
When reading her flash cards in the van, Chiles (Leighton Meester) claims that General Douglas MacArthur returned to the Philippines in 1946. World War II was well over by then; he actually returned in 1944 after the battle of Leyte whereupon he uttered the famous words, "I have returned."
At the Dallas show, Beau sits down at a Hammond organ. He starts singing and playing it, and the sound of an electric piano is heard.