A Random

SCIFI.radio story

Earth suffers a temporary glitch in the space-time continuum, creating sentiant walruses who are friendly but incomprehensible even though they can all do credible singing impressions of Ethel Merman who tend to stutter under pressure when confronted by a nuclear bomb , but scientists create a new weapon which turns them into weird rocks.
The End.and then they kill us all.
The End.