On this encore edition of The 21st: We talked with Illinois musicians Sir the Baptist and Poster Children. Plus, we met Florida duo Black Violin and learned how they're using classical music and hip-hop to defy stereotypes.

On the 21st: We discussed the upcoming college football season with reporters Jeremy Werner and Zach Pereles, who cover Illinois and Northwestern. Plus, we talked with Chicago musician Sir the Baptist about his spiritual roots and rising success.