Conversation so far:
When was the pinnacle of Willie DIxon's career?
Between 1951 and 1964
What happened in 1951 for Willie Dixon?
Dixon signed with Chess Records and by 1951, he was a full-time employee where he acted as producer, talent scout, session musician and staff songwriter.
Was Willie Dixon successful in his new positions?
During this time Dixon's output and influence were prodigious.
Did Willie Dixon win any awards for his work?
In 1989 he received a Grammy Award for his album Hidden Charms.
Was Willie Dixon's album Hidden Charms a success?
In 1989 he received a Grammy Award for his album Hidden Charms.
What types of music did Willie Dixon perform?
Next to Muddy Waters, Dixon is recognized as the most influential person in shaping the post–World War II sound of the Chicago blues.
Did Williw Dixon sing or play an instrument?
He was proficient in playing both the upright bass and the guitar, and sang with a distinctive voice.

Question: What other major accomplishment happened in this time period?
Self-contained rewrite: What other major accomplishments happened in the Pinnacle of Career time period for Willie Dixon besides being a full-time employee at Chess Records?