Scrubs immediately comes to mind, though it's not a very current reference. I still listen to Colin Hay thanks to these scenes. And this one.

Silicon Valley. The songs they played at the end of every episode were pretty much universally bangers.

Not a show, but Tales From the Borderlands introduced me to Jungle, possibly my favourite music artist right now, as well as a few other gems.

Breaking Bad & Atlanta both had many new discoveries for me. Twin peaks s3 had some amazing music but I was aware of the majority of the artist beforehand

Edit: add Sharp Objects. Amazing sound design and found a few new gems

The Top Gun soundtrack definitely sets the standard.

The Venture Brothers and J. G. Thirwell.

Cowboy Bebop and Yoko Kanno.

Definitely Arcane for a start. I'll probably think of others later.

Smallville always had well curated songs for each episode.. at the time some were fairly obscure bands

Letterkenny introduced me to Japanther, Black Mountain, DZ Deathrays, and a bunch of other bands that would never hit my recommendations on any streaming services.

The Bear has an awesome soundtrack

Rick and Morty

Everything from Jody Hill / Danny McBride: Eastbound & Down, Vice Principals, Righteous Gemstones all have amazing soundtracks.

Stargate Universe

Sons of anarchy

The outros in Hit Monkey introduced me to a lot of new artists. Here's a playlist of some of them: Hit Monkey

CSI Miami had a Papa Roach song I liked a lot better than that cheap knockoff of the original CSI.

As a person with an interest in the history of movies I got throw in The Big Chill. It was the OG film soundtrack, I’m pretty sure it was the first soundtrack to hit the billboard top 10 albums in a time when that meant something and is full of ‘50s & ‘60s bangers.

Peacemaker! So many good songs from bands I've never heard of. Especially Wig Wam and Band-Maid.

detroiters has some good motown, soul & punk songs.

this is a great question!

Dark

Lucifer

The soundtrack for euphoria was amazing- in context anyway, been meaning to look some of it up.

I loved cliff martinez's ost for "the knick" breaking historical accuracy that obviously did the show really well.

So many good recs on here. True Detective S1 really nailed it for me though.

Sharp Objects Ep 2 Intro and another one by The Acid that I can’t recall which episode it was in.

Ep 2 end credits of Chainsaw Man had Zutomayo and while I believe I’ve heard of them before in passing, that song made me actively listen to them.

The show was kinda lame, but Shrill had a pretty rocking soundtrack

True Blood

Dark on Netflix

Kipo and the Age of Wonderbeasts

Breaking Bad and Stargate Universe both come to mind. Also, a couple from House M.D.

Killing Eve. I got into so many artists only from the soundtrack.