What is "bass" in music?

Question

I've heard "the bass in this song looks good" and bass guitars, etc.

But what exactly is bass?

Any help is greatley appreciated

Answer 1

Bill Franco gave a very good answer.

The only thing I can add to that is that three genres are especially reliant on good bass guitar parts: heavy metal, dance and funk.

Answer 2

it's an instument that plays a low-pitched sound or tone, one level below a guitar

Answer 3

They are talking about an instrument called the bass.

Bass is actually the low part on a music staff, generally sung by men. Bass adds a lot to any music.  

Answer 4

Generically "Bass" refers to the lower frequency ranges in music.

A bass guitar is a guitar-like instrument that handles the low end frequencies in music. Notable players are Stanley Clarke, Marcus Miller, Victor Wooten and Jaco Pastorius.  Some notable pop/rock bassists are Sting, Geddy Lee, Paul McCartney and Billy Sheehan.  If some of these names are unfamiliar to you, you should look them p and enjoy the music - you won't be disappointed!

Hope this helps.  Good luck!

Bill