* Sheet Music Plus: Another great resource for sheet music is Sheet Music Plus. They offer a vast selection of sheet music, including "At Last" by Christina Aguilera. You can purchase and download the sheet music instantly, or you can order a printed copy to be mailed to you.
* Amazon.com: Amazon.com also sells sheet music, including "At Last" by Christina Aguilera. You can purchase and download the sheet music instantly, or you can order a printed copy to be mailed to you.
* Barnes & Noble: Barnes & Noble also sells sheet music, including "At Last" by Christina Aguilera. You can purchase and download the sheet music instantly, or you can order a printed copy to be mailed to you.
* Your local music store: Many local music stores also sell sheet music, including "At Last" by Christina Aguilera. You can check with your local music store to see if they have the sheet music in stock, or they may be able to order it for you.