Instruments Jun 12, 2008 0 AZ Audio releases DoMaj AZ Audio has released DoMaj, a simple MIDI VST instrument plug-in for Windows PC.DoMaj is a scale constrainer. It translates C maj to the defined output key and scale.AZ Audio DoMaj is available as freeware for Windows PC.Visit AZ Audio for a link to download DoMaj.Share Article: AZ Audio, MIDI, VSTDisclosure: Some of the links on this page are affiliate links. Clicking these and making a purchase will directly support Rekkerd. Thanks!