Name: Triple Harp (Wikipedia) 

            Its a type of a Multi Course Harp(Wiki) 
Also known as: Welsh Triple Harp, Telyn Deires
Wikidata item: Q2542348
Invented by: Originated in Italy and appeared in the British Isles early in the 17th century.
External links:  http://www.mochpryderi.com/TripleHarp.html

                         http://www.bbc.co.uk/ahistoryoftheworld/objects/Jns6H_3GRPKtrIopjTxZJg

Disambiguation: Has three rows of strings hence the name triple harp
Description: The compass of the Triple Harp is five octaves/thirty-seven strings in the principal row, which is on the side played by the right hand, called the bass row.

The middle row, which produces the flats and sharps, consists of thirty-four strings.

The treble, or left hand row, numbers twenty-seven strings.

Played by Robin Huw Bowen