Retro Baltimore Trivia: Baltimore-born jazz singer Ethel Ennis provided the singing and speaking voice for what animated character on MPT's '70s children's show "Book, Look and Listen"?

Readers: Think you know your Baltimore? Try answering our weekly trivia question. Some weeks will be ridiculously easy, some weeks a bit more challenging.

Here’s last week’s trivia:

QUESTION: Baltimore-born jazz singer Ethel Ennis, who died this week, provided the singing and speaking voice for what animated character on MPT's children's show “Book, Look and Listen” in the 1970s?

ANSWER: Ethel Earphone