Wilco is an American alternative rock band from Chicago, formed in 1994. The band's music encompasses elements of alternative rock, country, and folk, with a distinctive experimental approach to song structure and instrumentation. Led by vocalist and songwriter Jeff Tweedy, Wilco's lineup has evolved over time but consistently produces critically acclaimed works. Notable albums include "Yankee Hotel Foxtrot" and "A Ghost Is Born," both of which have significantly influenced the indie rock and alternative country genres.