Conversation so far:
When did The Righteous Brothers break up?
The duo split up in February 1968, a breakup that would last for more than six years.
What was the reason for the split up of the Righteous Brothers?
Medley left to pursue a solo career.
Did Bill Medley release any albums after the Righteous Brothers broke up?
Medley recorded a few solo recordings on several labels.

Question: What was Hatfield doing?
Self-contained rewrite: What was Bobby Hatfield doing after the Righteous Brothers broke up?