Conversation so far:
What did Plastic Ono Band try?
By 1968, Yoko Ono and John Lennon established a romantic relationship and they began collaborating on a number of musical projects.
What did Plastic Ono Band do now?
Plastsic Ono Band first recorded together in May 1968; these recordings would be released in November as the experimental album Unfinished Music No.1: Two Virgins.

Question: What did they try next
Self-contained rewrite: What did Plastic Ono Band try after recording 2 Virgins in May 1968?