Conversation so far:
What happened in Eddie Rabbitt's early career?
Eddie Rabbitt was employed as a mental hospital attendant in the late 1950s, but like his father, he fulfilled his love of music by performing at the Six Steps Down club.
What was Eddie Rabbitt's first hit?
Next to the Note and Six Nights and Seven Days were Eddie Rabbitt's first hits.
When did Eddie Rabbitt make his first hits Next to the Note and Six Nights and Seven Days?
In 1964, Eddie Rabbitt signed his first record deal with 20th Century Records and released the singles, Next to the Note and Six Nights and Seven Days.
Who did Eddie Rabbitt sign with for his first record deal?
Eddie Rabbitt signed his first record deal with 20th Century Records.
Did Eddie Rabbitt have any accomplishments in his early career?
Eddie Rabbitt became successful as a songwriter in 1969, when Elvis Presley recorded his song Kentucky Rain.

Question: what was his biggest accomplishment
Self-contained rewrite: What was Eddie Rabbitt's biggest accomplishment in his early career?