The singer Mohammed Reza Shajarian is one of Iran 's most celebrated classical singers , and he is joined on their third United States tour together by Hossein Alizadeh on tar -LRB- lute -RRB- and Kayhan Kalhor on kemancheh -LRB- spike fiddle -RRB- in new pieces rooted in the improvisations of Persian classical music and mystical Sufi poetry .
Hossein Alizadeh /people/person/nationality Iran
Kayhan Kalhor /people/person/nationality Iran
DT NN NNP NNP NNP VBZ CD IN NNP POS RBS JJ JJ NNS , CC PRP VBZ VBN IN PRP$ JJ NNP NNPS NN RB IN NNP NNP IN NN -LRB- NN -RRB- CC NNP NNP IN NN -LRB- JJ NN -RRB- IN JJ NNS VBN IN DT NNS IN JJ JJ NN CC JJ JJ NN .
Hossein Alizadeh
PERSON
Iran
LOCATION
/people/person/nationality
Kayhan Kalhor
LOCATION
Iran
LOCATION
/people/person/nationality