The document lists traditional musical instruments from three regions:
1) Africa - it includes djembe, kora, balafon, and mbira.
2) Asia - it mentions sitar, taiko, pipa, harmonium, and tabla.
3) Central and South America - it lists berimbau, congas, maracas, and bandoneon.
The document also provides YouTube links to video examples of each instrument.
4. STRUMENTI AFRICA
Kora
http://www.youtube.com/watch?v=8luhdxS2KuM
Mbira
http://www.youtube.com/watch?v=klO53XOcJJo&feature=related
Elenco Video
Balafon
http://www.youtube.com/watch?v=N3dYeqoZIYk&feature=related
Darabuka
http://www.youtube.com/watch?v=v966vNrw4NI
Ddjembè
http://www.youtube.com/watch?v=TlG3xLIPX7c&feature=related
STRUMENTI ASIA
Taiko
http://www.youtube.com/watch?v=jPdOmY1BjAU&feature=related
Sitar
http://www.youtube.com/watch?v=4JjrWxun46M
Harmonium
http://www.youtube.com/watch?v=7FcaGZJpRGk&feature=related
Pipa
http://www.youtube.com/watch?v=4QfjG9V4-zE&feature=related
Tabla
http://www.youtube.com/watch?v=LAOf7hEPxTA&feature=related
STRUMENTI AMERICA CENTRO SUD
Berimbau
http://www.youtube.com/watch?v=dFbd3GLVikU&feature=related
Congas
http://www.youtube.com/watch?v=7oC-j8wXhZ4&feature=channel
Maracas
http://www.youtube.com/watch?v=FfrfWgZtEFA&feature=related
Bandoneon
http://www.youtube.com/watch?v=aQitw1eG0fg&feature=related