Complex sentence: Adele recorded the main vocals in ten minutes, much to the astonishment of Tedder and his team: She sang it once top to bottom, pitch perfect, she didn't miss a note.
Split into simpler sentences: Adele recorded the main vocals in ten minutes, much to the astonishment of Tedder and his team. Tedder recalled, She sang it once top to bottom, pitch perfect, she didn't miss a note.