Rock Music on Instagram: "The intro to Crazy Train is one of the most recognizable openings in rock history. The second you hear that “all aboard!” from Ozzy, you already know it’s about to be chaos in the best way. Then Randy Rhoads’ guitar kicks in with that riff that just gallops forward—it’s sharp, fast, and honestly impossible not to headbang to. It grabs you immediately and doesn’t let go. What makes it so good is how perfectly everything fits. The drums come crashing in, the bass follows