The answer is it represents the Lokeshvara, Lord of the World. Lokeshvara is a multi-armed form of Avalokiteshvara that seems to have been famous in Nepal since the middle ages. The name advocates that he is the lord of the world with reliable noose which leads grief sentient beings to insight.
Answer: Ternary Form
Explanation: Ternary Form is a musical form that introduces an idea, (A) then introduces a contrasting idea, (B) then returns back to the original musical idea, often copying the first phrase how it was, maybe including some slight variation in the harmony or rhythm. A good example of a simple piece written in Ternary Form is Mozart's Andante in E-Flat Major.
A Ukulele I think. Ukuleles come as Soprano, Concert, Tenor, and Bass.