<Ul> <Li> Vocals </Li> <Li> Sitar </Li> <Li> Sarod </Li> <Li> Surbahar </Li> <Li> Rudra veena </Li> <Li> Violin </Li> <Li> Sarangi </Li> <Li> Esraj / Dilruba </Li> <Li> Bansuri </Li> <Li> Shehnai </Li> <Li> Santoor </Li> <Li> Harmonium </Li> <Li> Jal tarang </Li> </Ul> <Li> Esraj / Dilruba </Li> <Tr> <Th> Rhythm </Th> </Tr> <Tr> <Td> <Ul> <Li> Tabla </Li> <Li> Pakhawaj </Li> </Ul> </Td> </Tr>

In total how many cities are there in the hindustani sangeet