In a music-focused announcement, Apple announced the highly anticipated next generation of its iPod nano, a beefier iPod touch, iTunes 8, a new Genius feature that will create complementary playlists, the return of NBC to iTunes, HD television shows, the delivery of iPhone 2.1 software, and — as if that weren’t enough — Apple bragged about being the largest music distributor and delivering 100 million application downloads via the App Store.