Some good music here. But if you want to discover REALLY underrated 70's bands, check out Hatfield & the North or National Health. Only a handful of albums between them, but nothing like it elsewhere in any era. They make prog groups like Yes and Genesis seem like pre-teen garage bands.

One of many examples: https://youtu.be/sIDD7ea5ym0?si=yF1hC-wUPu6YEHYl