Tomb Raider: Legend

During Level 6 (England) you will be tasked with turning the power back on. Once it's back on pull the sword in the stone to open the door. Now you will here the opening intro to King Arthur's tale. In the room you are in now there are 3 speakers. They are skinny poles with a speaker on the top of them, approach one and press to activate it. You don't have to listen to the story before pressing the next one. After you go through the drawbridge there will be 3 more speakers, press each one. To hear the final part of the tale pull the 2nd sword from the stone and the trophy will unlock.