Tambourine would be one musical instrument that begins with a t.
Chimes ...
The jug is a musical instrument. It begins with the letter J.
The tambourine is a musical sound. It begins with the letter t.
Xylophone is a musical instrument. It begins with X.
Whistle and washboard are musical instruments.
The Alpenhorn the accordion Autoharp alto sax
TrumpetTubaTromboneTriangleTin Whistle
TLC, Train
trombone,tangerine and trumpet
Banjo is a musical instrument. It begins with the letter B.
Tommy Dorsey Orchestra is a musical band. It begins with T.
Irish flute, ilimba drum (from Zimbabwe), Iyailu (a drum from Nigeria) and igil (a bowed string instrument from Tuva) are musical instruments that begins with the letter i.