Hey dude! Welcome to the bass family
As for songs - what type of music do you play/listen to? I could recommend a shit ton of basslines to you but it all really depends on what you find fun and are wanting to learn.
and pedals... if you want to learn a lot about proper bass tone, experiment with overdriven bass, etc. I would highly recommend investing in a sansamp VT character pedal (built by tech21 in nyc) guitar centre and long and mcquade both stock them. They're meant to replicate the tube tone of ampeg svt tube heads, and it will make your bass sound absolutely fucking golden. Sometimes I don't even have an on-stage amp, I just run this pedal directly into a board and get some sound through my moniter - amazing, amazing tone. And you can distort as well with this pedal.