Band's you have seen on their first U.S. tour


The following band's I have seen on their first U.S. tour's were Peter Green with Fleetwood Mac, Jethro Tull, Joe Cocker and his Grease Band, Led Zeppelin which still shakes me up today, Yes, and the Soft Machine. Which first tour Band's do you remember?
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Forgot Tull, in 69 or 70 I believe. I always forget about Tull, never one of my favorite bands although fabulous musicians. Ian Anderson's voice has a kind of drone that I never warmed up to and thus never worked for me. But this thread isn't about that.
"David Bowie, did 3 shows (Ziggy Stardust) at the Tower Theater in Philly. One of the great ones, especially in a small venue, his first US tour I believe 71 or 72."

Wow, this was the show to see (although many think that the Live album from the Tower was his first US tour).
The live album was recorded later, in 74 or 75 I believe. Actually Bowie also played the Bijou as a relative unknown before the Tower concerts though I never saw him there.