| Tselikas, Andreas | Andreas Tselikas | Conductor | 2019 | 1 | |
| Tafjord, Hild Sofie | Hild Sofie Tafjord | Composer, Sound Designer | 2008 | 10 | |
| Tønnesen, Terje | Terje Tønnesen | Composer, Sound Designer | 2012 - 2013 | 138 | |
| Tushar, Ahsan Reza | Ahsan Reza Tushar | Composer, Sound Designer | 2004 | 2 | |
| Tutul, Mosharraf Hossain | Mosharraf Hossain Tutul | Composer, Sound Designer | 1999 - 2004 | 4 | 1 |
| Triantafillou, Brando | Brando Triantafillou | Composer, Sound Designer | 2018 | 2 | |
| Tveitt, Geirr | Geirr Tveitt | Composer, Musician | 1988 - 2013 | 4 | 1 |
| Tsagkaris, Giorgos | Giorgos Tsagkaris | Composer, Musical Director | 1980 - 1985 | 13 | |
| Tarkmann, Andreas N. | Andreas N. Tarkmann | Composer, Musical Director | 1994 - 1996 | 2 | |
| Taliotis, Neofytos | Neofytos Taliotis | Composer, Director | 2004 | 2 | |
| Tomba, Heisnam | Heisnam Tomba | Composer, Designer, Director | 2012 | 3 | |
| Toijanniemi, Tuukka | Tuukka Toijanniemi | Composer, Designer | 2004 | 2 | |
| Tauský, Vilém | Vilém Tauský | Composer, Conductor | 1933 | 2 | |
| Taylor, Richard | Richard Taylor | Composer | 2005 - 2006 | 3 | 1 |
| Theusner, Christoph | Christoph Theusner | Composer | 1990 - 1992 | 2 | |
| Tiefensee, Siegfried | Siegfried Tiefensee | Composer | 1969 | 1 | |
| Tschaikowsky, Pyotr Ilyich | Pyotr Ilyich Tschaikowsky | Composer | 1909 - 2022 | 10 | |
| Tauriņs, Mārtiņs | Mārtiņs Tauriņs | Composer | 2003 | 1 | |
| Taborda, Tato | Tato Taborda | Composer | 2001 - 2002 | 2 | |
| Taddei, Claudio | Claudio Taddei | Composer | 2011 | 1 | |
| Team, Harmonia | Harmonia Team | Composer | 1990 | 1 | |
| Torres, Geraldo | Geraldo Torres | Composer | 1971 - 1973 | 5 | |
| Trippner, Matthias | Matthias Trippner | Composer | 2004 - 2006 | 4 | |
| Thrane, - | - Thrane | Composer | 1901 | 1 | |
| Tanner, E. Y. | E. Y. Tanner | Composer | 1905 | 1 | |
| Taylor, Samuel Coleridge | Samuel Coleridge Taylor | Composer | 1909 | 1 | |
| Thorbjørnsen, Einar | Einar Thorbjørnsen | Composer | 1998 - 2004 | 2 | |
| Thomsen, Reinhard | Reinhard Thomsen | Composer | 1973 | 1 | |
| Tasoulis, Aris | Aris Tasoulis | Composer | 1990 - 1991 | 2 | |
| Tawil, Zafer | Zafer Tawil | Composer | 2013 | 1 | |
| Teloglou, Themis | Themis Teloglou | Composer | 2013 | 2 | |
| Tamchina, Jürgen | Jürgen Tamchina | Composer | 1985 | 1 | |
| Tragtemberg, Livio | Livio Tragtemberg | Composer | 1985 | 1 | |
| Thommessen, Olav Anton | Olav Anton Thommessen | Composer | 1987 - 1989 | 2 | 1 |
| Tr!p, DJ | DJ Tr!p | Composer | 2008 - 2013 | 2 | |
| Themelis, Dimitris | Dimitris Themelis | Composer | 1984 | 1 | |
| Teruggi, Daniel | Daniel Teruggi | Composer | 1989 | 1 | |
| Terni, Paolo | Paolo Terni | Composer | 1990 - 1996 | 5 | |
| Thompson, Bill | Bill Thompson | Composer | 1991 | 1 | |
| Telemann, Georg, Philipp | Georg Philipp Telemann | Composer | 1993 | 1 | |
| Tiso, Wagner | Wagner Tiso | Composer | 1994 | 1 | |
| Topol, Filip | Filip Topol | Composer | 1995 | 1 | |
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