Conversation so far:
What happened in the 70's with Jan Howard?
In 1970, Jan Howard and Anderson's record hit number two on the country charts that year
What was the name of this number two 1970 hit by Jan Howard?
If It's All the Same to You“
Did If It's All the Same to You by Jan Howard chart?
If It's All the Same to You by Jan Howard hit number two on the country charts that year, just missing the top spot.
Did Jan Howard tour with Anderson during the 1970s?
Jan Howard did limit her personal appearances for many years, retiring from the Bill Anderson touring show and ultimately replaced by Mary Lou Turner.
Did Jan Howard collaborate with anyone of note?
Jan Howard collaborate with singer Bill Anderson

Question: What did they work on together?
Self-contained rewrite: What did Jan Howard and Anderson work on together in the 70s?