^I'm not sure what songs are all copies of each other but I know "How you remind me" and one of their other songs can be played ontop of each other and you won't notice it unless someone tells you. People also like to claim they use extremely simplified chord patterns drum beats, that they use the same theme in the majority of their lyrics (drinking, strippers, drugs, etc.). Oh, and don't forget how ugly their lead singer is (because that really makes or breaks his music). Idk, I like quite a few nickelback songs and I'm just going off what i remember hearing on the radio/reading on the internet.
Here's two of my fav's
AND
To be honest, up to and including Silver Side up they were killing it. After Silver Side Up they became very hit and miss. Ex. Photograph (miss) vs. Burn it to the Ground (hit).