Fox On The Run - Top 10 hit for Manfred Mann in 6 countries, then a bluegrass favorite & a country hit for Tom T. Hall
Great song written by Tony Hazzard, a British songwriter from Liverpool: https://en.wikipedia.org/wiki/Tony_Hazzard .
Manfred Mann recorded it first, in 1968 - and did it best, of course. Three videos - an appearance on Dutch TV (those outfits!), another on Germany's Beat-Club, then a promo film. This reached the top 10 on charts in the UK, Australia, New Zealand, Ireland, Norway and West Germany.
The bluegrass cover by the Country Gentleman was one I saw mentioned most often, but this page at Secondhand Songs will show you the very long list of covers:
https://secondhandsongs.com/performance/200362/all
It was a Top 10 country hit for Tom T. Hall in 1976:
And it was recorded by Tony Hazzard, too, in 1969, for his first album:
Interview with Tony about writing this song, from a bluegrass site. He mentions a Celtic influence on some of his music, and I do hear it here. This article turned up because I was just searching for his name and the song title and
Celtic:
https://bluegrasstoday.com/songwriters-back-story-fox-on-the-run/