I recently discovered rap music and I'm so intrigued by it! Do you listen to rap music?
Of course, I like it because it is is a musical form of vocal delivery that incorporates "rhyme, rhythmic speech, and street vernacular
It seems very similar to hip-hop to me. Are the two styles related?
The little stuff that made a rap include content" (what is being said), "flow" (rhythm, rhyme), and "delivery" (cadence, tone)
Oh! I learned something today! Has rap music been around for a long time? 
If you have noticed, rap and  spoken-word poetry are not same for spoken. Rap is usually performed in time to an instrumental track.
I can see the difference now! Which rap artist can you recommend for me?
in time to an instrumental track. Rap is often associated with, and is a primary ingredient of hip-hop music, but the origins of the phenomenon predate hip-hop culture. The earliest precursor to the modern rap is the West African griot tradition, in which "oral historians", or "praise-singers", would disseminate oral traditions and genealogies, or use their formidable rhetorical techniques for gossip or to "praise or critique individuals." Griot traditions connect to rap along a lineage of Black verbal reverence
Rapping
Rapping (or rhyming, spitting, emceeing, MCing) is a musical form of vocal delivery that incorporates "rhyme, rhythmic speech, and street vernacular", which is performed or chanted in a variety of ways, usually over a backing beat or musical accompaniment. The components of rap include "content" (what is being said), "flow" (rhythm, rhyme), and "delivery" (cadence, tone). Rap differs from spoken-word poetry in that rap is usually performed