1. Trill – The even and rapid alternation of two notes written as tr or tr~~~

2. Trio – A piece of music for 3 musicians

3. Triplet – A group of 3 equal notes to be performed in the time of 2 notes.

4. Triple time – A meter containing 3 beats per measure

5. Tristo – Italian – In a style expressive of sadness or melancholy

6. Tritone – The interval between a perfect 4th and 5th

7. Tronco – Italian – stopped short, cut off abruptly

8. Troppo – Italain – too much. Example: allegro, ma non troppo: means fast, but not too fast

9. Troubadours – A class of poet-musicians from the 11th to the 13th centuries flourishing in France, Spain and Italy.

10. Trübe – German – Gloomy, sad, meloncholy

11. Tune – An air, or melody, usually referring to a short, simple piece of familiar melody.

12. Turn – A melodic ornamentation usually consisting of 4 notes. The principal note, the upper and the lower note of the principal

13. Tusch – German – A complimentary fanfare played by orchestral musicians for an honored conductor or soloist.

14. Tutti – Italain – The indication that the entire group of musicians is to enter musically after a solo or small ensemble passage.

15. Twelve-tone technique – A method of composition, mainly developed by Schoenberg, in which the music is based on the twelve different tones in the chromatic scale with no repeated notes.

Schirmer Pocket Manual of Musical Terms, Edited by Theodore Baker, Macmillan Publishing Co., 1978