History is malleable. A new cache of diaries can shed new light and archeological evidence can challenge our popular assumptions.
The past is malleable and flexible changing as our recollection interprets and re-explains what has happened.
The beauty of jazz is that it's malleable. People are addressing it to suit their own personalities.
A newspaper is lumber made malleable. It is ink made into words and pictures. It is conceived born grows up and dies of old age in a day.