When
Wilco emerged from the ashes of
Uncle Tupelo some 17 years ago with the sturdy, catchy roots-rock of "A.M." and "Being There," it would have taken a special imagination to see that Jeff Tweedy would become one of the most daring songwriters of his generation -- and that Wilco would become a vital, adventurous band breaking new stylistic ground with each ambitious and creatively restless album.