Wilco celebrates milestones including the 25th anniversary of 'Yankee Hotel Foxtrot' and the 10th anniversary of 'Schmilco,' while Jeff Tweedy continues to engage with music through covers and live collaborations, such as joining Dry Cleaning on stage. The band's Solid Sound Festival highlights artistic curiosity and community, featuring unique events like a yo-yo world record attempt and performances at Mass MoCA.