Garageband: $4.99- Complete recording Digital Audio Workstation for iPad and iPhone
Aweditorium: Free - This app is a great way to discover and enjoy new music. Aweditorium pulls together content on an artist like photos, lyrics, videos, and interviews and ties it together in a visually appealing way.
Bongos Free: Free - Play the bongos! The sounds are all recorded from real bongos and they react to how hard you tap.
Rad.io: Free - I LOVE this app! rad.io provides you access to over 4,000 radio stations and 150 music genres from around the world. You can search for stations by country, language, city, musical genre, or check out the top 100 stations.
iMuscle: $4.99 - This was named the best of iPad Medical category in the App store 2011 by Apple. You can look at a 1 minute video which will show some of the features in this app.
Coach's Eye: $4.99 - You can record or take pictures of kids doing a physical skill and then illustrate on it. Great for showing kids body position, etc.
Sock Puppets: Free - Create a lip-synced sock puppet play.
Video Editor Free: Free - This free video editor enables you to splice together video clips to create a video up to ten minutes in length.
Drawcast: Free - Another nice free drawing tool that is good for all levels of artists.
Musee du Louvre: $3.99 - This app provides features of over 100 exhibits housed at the Louvre. It also includes brief audio commentaries on its most prized possessions, including the Venus de Milo and the Mona Lisa.
Color Effects: Free - Edit your photos by removing colors or changing them entirely.
Skitch: Free - Skitch is a nice drawing and annotation tool. You can use it to mark up existing photos, maps and screenshots or you can draw something new. I especially like Skitch because your finished design can be saved directly to your Evernote account.
Glow Coloring: Free - This is a doodle app that allows you to scan in images that you can color in or trace.