<Tr> <Td> Viola da braccio </Td> <Td> arm viola </Td> <Td> A stringed instrument held in the arm, such as a violin or viola </Td> </Tr> <Tr> <Td> Viola d'amore </Td> <Td> love viola </Td> <Td> A tenor viol with no frets </Td> </Tr> <Tr> <Td> Tuba </Td> <Td> tube </Td> <Td> A large brass instrument </Td> </Tr> <Tr> <Td> Piccolo </Td> <Td> little </Td> <Td> A tiny woodwind instrument </Td> </Tr>

What is the italian word that means to play in a smooth singing style