earning the rapper one of the biggest hits of his career on that tally. Tupac Shakur (Photo by Ron Galella/Ron Galella Collection via Getty Images) 2Pac remains a powerful force on the Billboard ...

I used to have Tupac's 'Hit ’Em Up’ as the greatest diss of all time, it's not anymore. This song is five minutes long and you can play it all the way through and it hits every time.