There were definitely 2 sets. I think it was the first time I saw them and I remember that we only got tickets for one of the sets, not knowing what we were in for. Would have loved to see both! My friend and I were both buzzing after the show we were so bowled over by it. Don't recall who the opener was. I knew of the existence of a recording of both sets but was never able to track down a copy. The late show didn't start until maybe midnight with an earlier door, separate admission iirc I did know someone who went to that show but we had to leave to get back to Baltimore. Shows used to end later back then and it was a Saturday. For some reason I think the opening act may have been a solo performer with a guitar.

$7.00, wow. Those were the days.
Roberta
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The Washington Post

November 12, 1985
Robyn Hitchcock
by Mark Jenkins

Making his often-delayed Washington debut Saturday night's welcome from the sold-out 9:30 Club audience. The English eccentric, whose late-'70s Soft Boys engendered a surprisingly widespread psychedelic revival, did not disappoint; from the opening ballad, the introspective "I Often Dream Of Trains", to the a cappella encore, a hilarious bit of barbershop quartet Freudianism called "Uncorrected Personality Traits", Hitchcock's performance was deft and confident.

Backed by keyboardist Roger Jackson and the original Soft Boys rhythm section of bassist Andy Metcalfe and drummer Morris Windsor (missing, of course, was guitarist Kimberley Rew, now with chart-toppers Katrina And The Waves), Hitchcock skillfully interwove Byrdsian rhythm guitar with Acid Rock leads, much as he balanced the gorgeous melodies of the tunes "Glass" and "Heaven" with the oddball humor of such songs as "My Wife and My Dead Wife".