Conversation so far:
When did he work with federal records?
1960.
Did they produce records for him?
King recorded his debut single for the label on August 26, 1960: "Have You Ever Loved a Woman" backed with "You've Got to Love Her with a Feeling" .
Did they do any other records?
From the same recording session at the King Studios in Cincinnati, Ohio, King cut the instrumental "Hide Away,.

Question: What else is important about federal records?
Self-contained rewrite: What else is important about federal records other than their work with Freddie King?