I did a little research tonight and discovered this freeware software for creating *_your own_* Impulse files (digital modelling files) to use in a shareware or freeware Convolution Reverb. *VOXENGO IMPULSE MODELER* _*http://3d2f.com/programs/86-115-voxengo-impulse-modeler-download.shtml*_ Here, additionally, are some freeware Convolution Reverbs that help us to transcend the crappy recording spaces we have in our homes and garages as live looping home recording engineers: *SIR CONVOLUTION REVERB _http://www.audio-production-tips.com/sir-1-convolution-reverb.html _** BRICASTI M7 IRS _http://rekkerd.org/acousticas-releases-bricasti-m7-irs/ _*which has a nice freeware library of convolution impulse files here: *_http://acousticas.net/World/IRs/AcousticasM7.zip _* (104 MB download size) some more freeware/shareware impulse files for your convolution reverb: _*http://www.rhythminmind.net/presetblog/category/samples/impulse-sets/ *_