ブラジルの音楽好きは、モダン・サウンドにいったん入ったらなかなか出て来ない。そのブラジルで最も大きなお店はBrazilian music fans may walk into Modern Sound and never come out. What could be the country’s largest music store is located on a busy avenue in a residential part of Copacabana, a 15-minute walk from the beach.