Conversation so far:
Can you tell me about 1973-1979-Maverick?
Nilsson's disregard for commercialism in favor of artistic satisfaction showed itself in his next release, A Little Touch of Schmilsson in the Night (1973).
Performing a selection of pop standards.
Did it become popular?
This musical endeavor did not do well commercially.
The session was filmed, and broadcast as a television special by the BBC in the UK.
So what eventually happened after it did not do well?
To make matters worse, at a late night party and jam session during the recording of the album, attended by Lennon, McCartney, Danny Kortchmar, and other musicians, Nilsson ruptured.
What did it lead to?
The resulting album was Pussy Cats.
In an effort to clean up, Lennon, Nilsson and Ringo Starr first rented a house together, then Lennon and Nilsson left for New York.
Are there any other interesting aspects about this article?
Nilsson recorded what he later considered to be his favorite album Knnillssonn (1977).
With his voice strong again, and his songs exploring musical territory reminiscent of Harry or The Point!.

Question: What else did he do?
Self-contained rewrite: What else did Nilsson do other than recording Knnillssonn?