Christina Aguilera tried to cover up her mistake by singing the rest of the song as best as she could causing the last note to be a little off on pitch. Such a tragic event could cause many Aguilera fans to stray away, also known as a change in consumer taste. This will decrease the demand for Christina's music unless she has true and loyal fans that stick by her side through all the pitches and mess ups. Music store managers may even make the decision to reduce their prices in Christina's previous cd's. Many fans may even substitute her music for another pop star, like Britney Spears.
"What so proudly we watched at the twilight's last gleaming"