Crossword puzzle clue "you probably need a scale to tell if it's working"

You probably need a scale to tell if it's working

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

Working, working, working

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

My favorite is probably turquoise (but don't tell the black and white of a crossword grid that!)

"It's probably a trick, but tell me"

Street corner things that tell you you can't park here, if you should stop, where to go, etc.

Band with the hits "What You Need" and "Need You Tonight"