...a music grinder.  Yes, you read correctly -- not an organ grinder, but a music grinder.  This is a descriptive term that has fascinated me ever since I read it in Paul Westermeyer's book, Church Musician, a kind of how-to-be book for musicians who think they might want to be just that, a church musician.  For him, a music grinder is a church musician who just puts out the music, without attachment to the context in the which the music is performed, and without any sense of purpose or participation in the worship of the community in which they make music. It is, sadly, possible, to be a music grinder…