A Random
SCIFI.radio story

Earth encounters a group of time-traveling tourists on a sightseeing trip to the past who are friendly but incomprehensible even though they can all do credible singing impressions of Ethel Merman who derive their sustainance by a crowd of people with pitchforks and torches but they fall in love with a young girl and they are taken in by a kindly old lady who mistakes them for lost children.
The End.