Beethoven's 9th Symphony (free plus in-app purchases) is an epic iPad app that lets you explore one of the greatest symphonies ever written in a unique, compelling way. Classical music lovers will definitely want to check it out.
Beethoven's 9th Symphony uses every trick in the multimedia tool box. For starters, you can listen to four different performances of the work, taken from the well-known DGGcatalog. As you listen, follow along with the the score in real time. The original manuscript displays each page as the music plays, but with modern notation.