Conversation so far:
What happened to Kaikhosru Shapurji Sorabji's work?
Kaikhosru Shapurji Sorabji had not recorded any of his works, and none of them had been published since 1931.
Were Kaikhosru Shapurji Sorabji's works lost?
Kaikhosru Shapurji Sorabji earliest known, albeit lost, composition is a transcription dating from 1914 of Delius's In a Summer Garden.
Are there any other interesting aspects about this article on Kaikhosru Shapurji Sorabji besides the fate of his work?
Kaikhosru Shapurji Sorabji was one of the 20th century's most prolific piano composers.
Did Kaikhosru Shapurji Sorabji accept Frank Holiday's invitation to record his music?
Holliday's perseverance and closeness to Kaikhosru Shapurji Sorabji did, however, eventually change Sorabji's attitude, and several recordings were made in Sorabji's house between 1962 and 1968.

Question: What happened after this invitation?
Self-contained rewrite: What happened to Kaikhosru Shapurji Sorabji after an invitation by Frank Holiday to record his music?