Photo by Lynn Trautmann/LT PhotoEvanston

Sept. 27 marked the 25th anniversary of Sunday afternoon Irish Music sessions at Tommy Nevin’s, started by John Williams 25 years ago.

In Mr. Williams’s musical repertory are concertina, penny whistle, guitar and piano. Additionally, he composed a song for and had a cameo appearance in the movie “The Road to Perdition,” part of which was filmed at the Charles Gates Dawes house.

Mr. Williams even taught the stars of the movie, Paul Newman and Tom Hanks to play his song on the piano.

About 10 years ago, Mr. Williams invited his wife and fellow musician Amy Shoemaker to co-host the Sunday afternoon jams.

Few Irish music sessions have lasted this long, but the music itself remains popular in Evanston and elsewhere.