BMK Arrangements was started in 1998 by Brock Keiper in Cedar Rapids, Iowa. During the last eleven years, Brock has written numerous exciting arrangements for over fifty competitive show choirs across the nation. These groups include many of the top placing choirs in the Mixed, Unisex and Junior High Divisions.

In addition to arranging, Brock has served as Instrumental Director and Staff Music Arranger for Springfield's "Kids Inc." and "City Starz!" show choirs. He has also been privileged to sit on the judging panel at Midwest Invitationals with some of today's most recognized adjudicators and clinicians.

Currently residing in the western suburbs of Chicago, Brock continues to serve as a freelance arranger for several groups while pursuing degrees in both music education and composition.