The concert featured an eclectic mix of bands who played many different kinds of music.

A concert featuring an eclectic mix of bands that played many different types of music is called the Music Festival.

Explanation:

Music festivals are usually musical events that take place throughout the year and are very popular for both young and old. Music festivals cover a wide range of music styles, for example blues, jazz, folklore, classical music, opera, rock / pop / metal / Gothic / alternative / ska, hip hop / rap, samba / percussion, electronic / techno / drum'n'bass, reggae, folk music and even Christian music.

Many festivals are annual, or repeat at a specific interval. Some of these festivals are made with a specific genre of music, but usually have many different genres.

i used to know but i learned it a long time ago sorry

explanation:

- "the answers are a and b.  

when cullen speaks of planting while others reap, and standing "abject and mute," he is speaking about the racial injustices present in american society. as these injustices have changed over time, the american identity  has also shifted. those changes are, in turn, reflected in american literature."