In both versions, you can only find “Pigstep” in nether bastion remnants.

Is Pigstep in every bastion?

Bastion remnants are large, castle-like generated structures found in the Nether in all of the biomes except basalt deltas. ... Bastion remnants are the only place to find the Pigstep music disc, the snout banner pattern, and the magma cube spawner.

Where is Pigstep in a bastion?

In Minecraft, a Pigstep music disc is only found in the Bastion Remnant in the Nether dimension.