For the most part, Charlie Zahm sings Scottish, Irish, and early American traditional music. He also branched out into other genres, recording a CD of hymns in 2009, and a country album in 2013. Zahm plays guitar, five-string banjo, mandolin, flute and pennywhistle. He has also recorded several albums composed entirely of self-written songs, mostly in a traditional Celtic style. Many of Zahm's studio albums and concerts feature former Del McCoury Band fiddler Tad Marks.
Zahm learned to play the banjo, his first instrument at the age of 14. After attending college he toured with Europe and Japan with Up With People. Zahm has continued to play shows ever since, from large concert halls to small house concerts. In 2014 he traveled to Qatar to play on Memorial Day for the members of the US Military at the Al Udeid Air Base.
- Nothin' Like the South (2013)
- Songs of Highlands, Islands and Home! (2011)
- Precious Memories and Other Special Songs of Faith (2009)
- Best of the Early Years (2009)
- Recent Journeys (2008)
- The Immortal Memory - A Tribute to Scottish Poet Robert Burns (2008)
- Lighthouse on the Shore: An Evening of Classic Melodies with Charlie Zahm(2007)
- Among the Heather! (2005)
- The American Scrapbook (2003)
- Scotland's Heroes (2003)
- Songs for When The Sun Goes Down (2003)
- Out of the Mist (2002)
- Americana (2002)
- The White Snows of Winter (2001)
- A Walk in the Irish Rain (2001)
- The Celtic Balladeer (1999)
- Festival Favorites II The Glory of the Isles (1998)
- Under the Great Northern Stars (1997)
- Stormy Winds Do Blow The Maritime Collection (1997)
- Festival Favorites (1997)
- A Summer's Morning Rare (1995)
- Charlie Zahm Live The Celtic Concert (1995)
- A Song in the Aire (1994)
- Ye'll Tak the High Road (1994)
- Songs of Ireland, Scotland and the Sea (1992)
Charlie Zahm has also been featured two DVDs: Out of the Mist in 2002 and Charlie Zahm: An Evening of Classic Melodies in 2007. He was also in the movie Gettysburg — Three Days of Destiny.
- Blackhurst, Kathryn (19 June 2014). "Charlie Zahm performs for U.S. soldiers on Memorial Day". Daily Local News. Retrieved January 29, 2015.
- Carey, Art (3 May 2008). "Adding passion to the folk tradition". The Philadelphia Inquirer. Retrieved January 29, 2015.
- Six, Jim (13 May 2012). "The luckiest folk singer in the world". nj.com. Retrieved January 29, 2015.
- Chambless, John (4 June 2014). "Musician Charlie Zahm entertains troops in Qatar". Chester County Press. Retrieved January 29, 2015.