ColorSound Bass Fuzz History File 2014-07-04 - Started History File. 2014-07-25 - Added Instructions PDF file to the project. 2015-04-22 - Added instructions for alternate placement parts in Instructions and Bill of Materials files. 2016-03-09 - Updated Schematic with R1 and C1 reversed. Updated Bill of materials for C4, C11 and C12.