Makes me feel like crying every time I hear this.

Professor Layton and the diabolic box - Iris (Music Box Version)

Professor Layton  The Unwound Future   London 2

As per request, enjoy the main theme of Miracle Mask.

Professor, there's a hidden puzzle over there!

Track from the Volume 5 of The Rainy Day Session (http://therainydaysessions.blogspot.com/2010/03/vol.html)