It is wonderful. In the painting group I'm in there is an artist that is mainly into caligraphy, but combines it with ink or watercolour. She'll love this (and I'll show it to her, of course!) My only advice: try not to write on the very dark parts (unless of course you do not want people to read the text....)
My only advice: try not to write on the very dark parts (unless of course you do not want people to read the text....)