Country music artist Terri Clark wowed the crowd with a mix of old favorites and new songs from her latest album. Hundreds tried yoga, karaoke and other fun tests of their breathing abilities. And some lucky people went home with gift certificates, merchandise and other prizes, including a Gibson acoustic guitar.

Close to 100 people received free screenings at the COPD Foundation's Mobile Spirometry unit. Hundreds more talked with lung health experts from Tennessee Society for Respiratory Care, American Lung Association in Tennessee, Williamson Medical Center and Vanderbilt Dayani Center and took home information about early diagnosis and treatment to share with friends and family.