Video: MEGADETH Guitarist KIKO LOUREIRO Performs Acoustic Version Of &#x27;Silent Night&#x27; For Christmas Video: MEGADETH Guitarist KIKO LOUREIRO Performs Acoustic Version Of &#x27;Silent Night&#x27; For Christmas        Video footage of  MEGADETH &#x27;s latest addition Brazilian guitarist  Kiko Loureiro  best known for his work with  ANGRA  performing an acoustic version of of the popular Christmas carol  &quot;Silent Night&quot;  can be seen below.        In a recent interview with  The Irish Sun   MEGADETH  mainman…