This document discusses different styles of popular music such as rock, jazz, and rap music. It provides characteristics of each style and examples to help differentiate between them. Rock music typically features electric guitars and unsynchronized rhythms. Jazz originated in New Orleans and uses complicated chords, modified basslines, and syncopated rhythms. Rap music relies on rhythmic beats, electronic drumming with scratches, and lyrical chanting often while dancing. The document concludes with activities for students to report on and perform different popular music styles.