About music oud
[plus the] size [on the ‛ūd] might be: 30-6 joint fingers—with excellent thick fingers—and the full will sum to 3 ashbār.[Notes 1] And its width: fifteen fingers. And its depth 7 as well as a 50 % fingers. And also the measurement in the width with the bridge with the rest guiding: six fingers. Remains the duration from the strings: thirty