So I recently came across a band called the Vulgar Boatmen. They had a couple of albums out in the late 1980s and 90s that didn't get a lot of play, broke up, and then released a complilation album in 2004. I had never heard of them. The thing is they are pretty cool. Kinda like a Murmer-era R.E.M. and I even think The Beths may have even been inspired by then. Anyway definitely check out Please Panic and You and Your Sister (which was rereleased in 2015).
So any bands out there that you missed but came across years later?
As always drop 'em if you got 'em.