Concentration Productivity Music. 45 minutes of focus music

http://www.youtube.com/watch?v=CB_PZSnen5A

C2C - Happy Ft. D.Martin

https://www.youtube.com/watch?v=tvY7Nw1i6Kw

‎(1965) Blues by Big Mama Thornton

https://www.youtube.com/watch?v=wxoGvBQtjpM