What are some musical instruments of Tunisia?

Violins, chello, trumpet, xylophone, flute, piano, guitar, bass guitar, saxaphone. There's many more than what are listed but those could be the major ones that come to mind.

Machete - This is a small guitar like instrument that was the forerunner of the ukulele. Cavaquinho - Slightly larger then the Machete.

Alto clarinet, alto saxophone, Alboka, Arghul, Alto sarrusophone Air horn, Alphorn, Accordion, Agidigbo, Aeolian harp, Ajaeng Appalachian dulcimer, Archlute, Arpeggione, Acoustic bass guitar,...

a lute-like instrument - biwa. There's a zither-like instrument - the koto, and there's a banjo-like instrument called a samisen

Musical orchestra instruments are usually international and not German.