You're looking for information on Minecraft Java Alpha 1.0.16_02. Here's what I found:
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The Early Days of Minecraft
In the initial Nether release, Ghasts were silent or played incorrect sound files. This revision re-linked the audio files, restoring the iconic moans and screams of the Ghasts. You're looking for information on Minecraft Java Alpha 1
Recent community ARG (Alternate Reality Game) projects, such as the Minecraft Alpha 1.0.16 Versions which was previously restricted.
Spawn Protection: Allowed server operators (Ops) to build and interact within the protected spawn area, which was previously restricted.