Yes, to bring out the main melody with a singing tone is of utmost importance in piano playing. 触感 touch helps one to bring out a proper singing tone. i.e.Cantabile playing.
I think the webstie below is easier to read than the others: http://hk.geocities.com/piano_proshops/ touch -time2345.htm The other two is too cold and gloomy because it has snowflakes.
....O.V.E, boyfriend Cascada-Everytime we touch , Miracle, Truely Deeply Madly, a never ending...
...clairee0929.pixnet.net/blog/post/37011789-(%E9%9F%93%E6%A8%82)- touch -love-%EC%9C%A4%EB%AF%B8%EB%...
... part to be slightly more prominent than the upper. 9. A study in staccato touch , repeated notes, and observance of rests 10. A study in...
... this folk musical form and brought his own transforming touch to it.