1 Sentences With "made concave"

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The luthiers also worked with the idea of modifying the mandolin to meet local musical styles, making experimental changes to the necks of violins, guitars and mandolins to suit them to Cai luong opera music. In the mid-1930s, they made concave frets, scooping out extra wood between the frets, making the space between them deep and to allow the musicians to bend the notes, and stringing them with four single strings. Musicians Hai Nén and Hai Nhành were associated with the instruments, possibly being the first to use them. The sunken-fret mandolin (mandolin phím lõm) did not meet the musical needs as well as the sunken-fret guitar, because the mandolin's rigidity made it painful to get the same effects from the strings.