Short answers, pulled from the story.
Johnny Russell wrote Act Naturally in the early 1960s after a specific incident at a Fresno, California bar. He composed the song on that same day he decided to join his friends for a recording session in Los Angeles.
Buck Owens recorded Act Naturally at Capitol Studios in Hollywood on the 12th of February 1963. The track entered the Billboard country charts on the 13th of April 1963 and spent four non-consecutive weeks at number one starting June 15.
The Beatles recorded Act Naturally on the 17th of June 1965 using 13 takes with Ringo Starr providing the lead vocal duties. Paul McCartney played bass guitar and provided harmony vocals while George Harrison handled the guitar parts.
Capitol Records released the duet version of Act Naturally by Buck Owens and Ringo Starr on the 29th of July 1989. This single peaked at number 27 and received a Grammy nomination for Best Country Vocal Collaboration in 1990.