Thomas Charles Marshall is from Portlaoise. He has studied piano with Deirdre Doyle (Royal Irish Academy of Music), Mabel Swainson and Padhraic O'Cuinneagain (St Finian's College, Mullingar) and organ with Shane Brennan (St Finian's College, Mullingar), Peter Hurford (Emmanuel College, Cambridge) and David Adams (Royal Irish Academy of Music). He was a scholarship student with the Schola Cantorum in St Finian's College, Mullingar from 1985 to 1990. He was organ scholar at Emmanuel College, Cambridge from 1991 to 1994 reading the music tripos.
In 1994, he moved to Japan to study traditional Japanese music specializing in the Japanese lute practiced by the samurai of the southern island of Kyushu called Satsumabiwa under the tutelage of Yoshinori Fumon (1911-2003) receiving the title 蘭城 RANJO in 1999. He has lectured and performed throughout the world including in Australia (2003, 2005), United States (2000, 2004, 2008), South Korea (2007), UK (1997, 2009), Italy (2016), Denmark (2016), and Portugal (2016) as well as regularly in Japan itself. In 2008, he returned to Ireland and did a Masters in Music Performance on organ with David Adams.
He is Director of Music in St Ann's Church, Dawson St., Dublin, as well as of the Dublin Male Voice Choir and Kildare Cathedral Choir. He teaches piano at Newpark Music Centre and in Firhouse Community College as part of Music Generation South Dublin, as well as organ throughout the Midlands. He is accompanist to the Lynn Singers in Mullingar.