No. The Staff Text (I believe this is what you're calling "dictation") could be applied to different layers, but there is only one that will be applied to playback since the staff will have only one patch that is triggered at a time. A workaround is to have a second staff (hidden) that has the other "layer" of playback, then notate the first staff the way you want it to display (with pertinent notes unchecked in the Play On Pass settings to account for the other "play" staff).
Make sense?