Question: What type of instrument is the Sagar Veena, invented by the father of musician Noor Zehra?
Sentence (from "Gottuvadhyam"): Around the late 19th and early 20th centuries, it started to be known by another name, Gotuvadyam (often mis-spelt as gottuvadyam, gottuvadhyam, kottuvadyam etc.), which was bestowed upon it by Sakha Rama Rao from Tiruvidaimarudur, who was responsible for bringing it back to the concert scene.
Relevant evidence: No