Hi, I played “Kanashii Ureshii” (かなしいうれしい) the OP of "Koi to Uso" (恋と嘘) by Violin!
Please share this videos to your friends on twitter, Facebook, or other SNS, if you like!
Information for Sheet music of the songs I played
Some sheet musics of songs I played are available, not expensive!
Please see two links below;

http://www.dojinongaku.com/contents/g...
And English guide is:
http://www.dojinongaku.com/english_gu...
(Sorry, in matter of copyright law in Japan, please allow me to sell them at the price 2 or 3 dollar)
I wish the sheet musics help you to enjoy playing Violin!

I used Midi track by 123w45 as Backing Piano track.
A little I edited it for violin playing, and as usual though, don’t forget to check his channel and original clip via the link below!

   / @123w45  
   • Koi to Uso/恋と嘘 OP Full - Kanashii Ure...  

Btw I will buy an eraser too :P
And check my other covers of Koi to Uso:

“Koi to Uso”(恋と嘘) ED “Can't you say” (Violin Cover)
   • “Koi to Uso”(恋と嘘) ED “Can't you say” ...  
“Koi to Uso” Episode 1 OST “Confession” (Violin Cover)
   • “Koi to Uso” Episode 1 OST “Confessio...  

Information:
I created a Twitter account! Follow me @Silverick on Twitter   / silverickviolin  
“Silverick” is the word for new Channel Name, I will change the Channel Name from “ViolinxViola” to “Silverick” later.