While I def agree with the takes in the Deadcast that the pre-Fire versions of Scarlet Begonias from 1974 and 1976 are fantastic, I have two additional notes:
After that era the solo section within Scarlet was sometimes pushed to new heights, with surging, thrilling peaks (like Estimated Prophet in the same time frame).
The version right after the debut of Fire is, inexplicably, another standalone Scarlet, and it has one of the finest outro jams of all:
