Older lists gave "Wonderful World" as the third song of set I, which was always a matter of some skepticism, whether it was the Sam Cooke or the Louis Armstrong tune. But this show circulated on analog tape (scans above) which have not yet made the jump to 0s and 1s, and they show IANU in that slot - much more plausible.
ad: San Francisco Sunday Examiner and Chronicle Datebook, May 17, 1981, p. 16