As part of a recent ad campaign, Levi's used two Whitman poems, "Pioneers! O, Pioneers!" (1865) and "America" (1888), to promote its brand. (Both poems were eventually incorporated into later editions of Leaves of Grass.)
Here they are. What do you think? What would Whitman have thought?
Note: the first commercial uses what may be the only recording we have of Whitman's voice.