Hear what viewers had to say about Chicago Public Schools’ mariachi music program, Geoffrey Baer’s tour of Chicago’s rapid transit system and Ald. Ed Burke’s workers’ compensation program when we read feedback from the "Chicago Tonight" website, and our Facebook and Twitter pages.

In honor of Cinco de Mayo, we revisit a performance from the award-winning Mariachi Aztlán.

In anticipation of Cinco de Mayo, we have a very special performance from the nation's top college mariachi troupe.

The world’s first Mariachi opera is being performed by Lyric Opera of Chicago. We hear from Lyric’s General Director, Anthony Freud -- who commissioned the work -- and hear some selections from the opera that is taking Chicago’s Latino community by storm.