Crossword puzzle clue "old and you have probably never heard of it"

Letters on a can at a concert for a band you've probably never heard of and probably wouldn't even understand if I told you how good they are

Beer brand at this little show at an obscure venue in Brooklyn you've probably never heard of, probably

Old and you have probably never heard of it

Sounds you might make when I say "Would you rather watch your parents have sex or have your parents watch you have sex?"

Everlasting, in old poetry (and the name of a Lotus concept car that, sadly for crossword constructors, will probably never exist)

"I heard you! I heard you!"

Never, never, never

"An animal whose eggs you'd probably never eat for breakfast." "___"