Steve Jobs took the stage at Apple’s music event today in San Francisco to announce pple also overhauled its iTunes application, bringing it to version 8. The updated program introduces a “Genius” feature that groups similar songs together into playlists and also marks the return of NBC content to the platform. Aside from all these major upgrades, Apple also announced the iPhone Software 2.1 and revealed an update to the iPod classic line, removing both the 80GB and 160GB models and replacing them with a single 120GB model which will sell for $249.