I rolled through GG's first 7 albums this weekend for the

>>73838776
Maybe King Crimson. Not many, though.

>>73838776
pink floyd

>>73838895
>pink floyd
>prog

>>73838776
Genesis up until Duke.

>>73838956
>pink floyd
>not prog

Cardiacs and Magma

>>73839443
Ancient meme that I wish would return

Van der Graaf Generator has seven great albums in a row from The Least We Can Do Is Wave to Each Other to The Quiet Zone/The Pleasure Dome

Ozric Tentacles probably dips at some point but they have enough good albums to keep you occupied. Start with Erpland.

>>73839649
no that meme was terrible

Gentle Giant's streak was pretty fucking legendary, putting out a great album every year for almost a decade, shame they started to fall apart toward the end of the 70's but guess it had to happen some time.