The two cats are named Shamisen and Shamisen 2 .

A shamisen is an instrument that is similar in some ways to a guitar or a banjo. It has a long, thin neck, which can often be dismantled for easier transportation. The body is covered with a taut skin, and the front has the strings stretched along the instrument. Construction of the shamisen varies according to the music genre it is intended to be used for.

ya mum, kekkekekekeke

A shamisen is an instrument which is used in japan. it has three strings which you have to pluck and it is a very long intrument which in a proformance you would place along the floor.

The sentence 'shamisen music is beautiful' translates to三味線の音楽は美しいです (shamisen no ongaku wa utsukushii desu) in Japanese.