Series consists of 13 programs for concerts put on by the Whistler Singers, including "Hark! the Herald Angels..." (2001, 2005, 2009, 2010, 2011, 2013, 2014, 2016, 2017), "Routes" (2017), and "a world wide choral adventure."

The following files are part of the accession WA_2021_040:

• File 014: Program for McGregor-Verdejo Duo on Sunday, December 8, 2019 at Our Lady of the Mountains Church. Composers covered include Johann Sebastian Bach, Mauro Giuliani, Camille Saint-Saens, Maurice Ravel, Claude Debussy, Jacques Ibert, Astor Piazzolla.
• File 015: Aurora Piano Trio on Sunday, November 17, 2019 at Our Lady of the Mountains Church. Composers covered include Ludwig van Beethoven, Johannes Brahms, Felix Mendelssohn.
• File 016: Holiday Season Program by the Whistler Singers on November 30, December 6, 7, 13-15, 22-24, 2019. Featuring the songs Jingle Bells, Let it Snow, O Come All Ye Faithful, Joy to the World, Jingle Bell Rock, Feliz Navidad, Have Yourself a very merry Christmas, Rockin' Around the Xmas Tree, Rudolph, Away in a Manger, Blue Xmas, Deck the Halls, Silver Bells, Frosty, Xmas Song, White Christmas, Winter Wonderland, Silent Night, and We Wish you a Merry Christmas.
• File 017: 2019 Christmas Eve Service of Lessons & Carols by the Whistler Children's Chorus and Whistler Singers on December 24, 2019. Featuring the songs Silent Night, O Come All Ye Faithful, The First Noel, We Three Kings of Orient Are, Hark! The Herald Angels Sing, Angels We Have Heard On High, and Joy to the World.