I did my degree in English/French Language/Linguistics back in the '70s, but I only got a middling grade, and I've worked in software development ever since, so I'm really only an expert on English language in the same way any articulate native speaker is.
Things to listen to before you die:
#1 Spanish Harlem - Rebecca Pidgeon
(If there are ever additions to this list, they'll all be "also-rans"! :)