HI:)
You can make a second Directory with your favourite Drum Maps and then run a batch file after installing Cakewalk to delete all Drum Maps and then copy your favourites into the Directory.
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cd "c:\Cakewalk Content\Cakewalk Core"
cd Drum Maps
Del *.*
xcopy "c:\Cakewalk Content\Cakewalk Core\Drum Maps Favourites\*.*" "c:\Cakewalk Content\Cakewalk Core\Drum Maps"
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I do such delete and copy with genericpluginsparams (ACT) before starting Cakewalk, cause I have my handmade ACT Params File and Cakewalk do delete it from time to time, so at every start I get my own ACT File
Bassman.