Care for a game of CONNECTIONS?

[minimarshs]

Connections
Puzzle #577
🟦🟦🟦🟦
🟨🟨🟨🟨
🟩🟩🟩🟩
🟪🟪🟪🟪<---- these are spelled incorrectly?  I am way too old for some of these puzzles

[Squid]

Connections
Puzzle #577
🟩🟩🟩🟩
🟦🟦🟦🟦
🟨🟨🟨🟨
🟪🟪🟪🟪   <--- Are the words in the puzzle actually misspelled in the band names?  I can come up with a couple.  Sorry if this is a spoiler.

[minimarshs]

Connections
Puzzle #578
🟩🟩🟩🟩
🟨🟨🟨🟨
🟪🟪🟪🟪
🟦🟦🟦🟦

[Squid]

Connections
Puzzle #578
🟩🟩🟩🟩
🟪🟪🟪🟪
🟦🟦🟦🟦
🟨🟨🟨🟨

[minimarshs]

Connections
Puzzle #579
🟦🟦🟦🟦
🟨🟨🟨🟨
🟩🟩🟩🟩
🟪🟪🟪🟪<---- after I defaulted into this, I WIKI'd it.  It is a real thing.  A math problem all about probabilities. 

[Squid]

Connections
Puzzle #579
🟦🟦🟦🟦
🟩🟩🟩🟩
🟨🟨🟨🟨
🟪🟪🟪🟪

I'm not up on some vintage comedy stuff apparently.