need seroius help playing w/drummer!!!!

hey how should i correspond my bass lines with the drummer do the different snare and hit hat cymbal pieces signifie anything i'm pretty deep with music theory so just hit me with it
how do i know what notes to hit and emphasize like with the bass drum snare
any help is appreciated
 
In pop/rock, you should try to match up with the kick, since it (usually) provides the downbeat. In jazz, the conventional wisdom is to follow the hi-hat, though this may not apply if you have a showy drummer who likes to move the beat around to different parts of the kit.