I started out on the U2/Simple Minds/Fleetwood Mac/The Cure genres, went to rock (Guns n Roses, Metallica, Skid Row, etc), then house & breakbeat (many funky basslines there), listening to things like Jamiroquai & Stevie Wonder & some hiphop along the way, went onto add jazz, DnB & now Dubstep.
My bands have kinda followed that theme too.
Lojo, I never really got into country/Americana but my current band's main styles is just that.
We're a mix of folk/Americana/jazz/blues & whatever else sounds good with a 50 year old Canadian vocalist, banjo, mandolin, spoons (or any other percussion), tin whistle, acoustic guitar & a bit of bass (though my bass sound is getting further & further away from the straight bass sound you'd associate with those styles.
Nowadays I enjoy playing anything with a good bass line.