The Loman's are entrapped in an illusionary environment, filled with deception and deceit. The stage directions call the house "a dream rising out of reality" and this reflects the central theme of Willy's longing to fulfill himself in a world where material wealth is the only acceptable goal in society. A sense of this environment is accentuated through the nostalgic music of the flute which is sporadically played through moments of mobile concurrency. The music is symbolic of the illusionary environment which surrounds them.
Willy Loman worked hard for all his life as a salesman, but he never had the temperament or skills to be one. He chose to live a live based on the American Dream, thinking that anyone could derive material wealth from hard work. He adopted a whole new façade to his character to maintain this notion of success. …