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The Synth Parameters > The Filter Section - Pg. 185

Cut It Out! Although many folks like a good predictable four-on-the-floor beat in dance music, it is a good idea to introduce some variations from time to time. One of those variations includes the deletion of different slices from a REX file in order to give it an entirely different feel. Recall that a REX file contains two file formats in order to do its magic. The first format is a digital audio format, which you see in the waveform view of Dr:rex as a series of slices. The other format is the corresponding MIDI notes that accompany each digital audio slice. When you click on the To Track button on the Dr:rex interface, it copies the MIDI notes to its track on the sequencer. Once the MIDI tracks have been recorded, you can simply open the appropriate editor in the sequencer and remove a few of the MIDI notes, so that the corresponding audio slices will not play back. Start by clicking on the Switch to Edit Mode button on the Reason sequencer. Because this is a Dr:rex track, the sequencer will automatically know which editor to open, in this case the REX Lane Editor. At this point, you should see all of the MIDI notes lined up in zipper fashion (see Figure 8.22), as they move upward diagonally from left to right. To the far left of the notes is a list of numeric names for each slice. Depending on the length of the loop, there can be up to 92 slices displayed here. Navigate your mouse to Slice 1 of the Slice List and notice that the Selector tool has now become a Speaker tool, which enables you to preview a slice by clicking on the slice name. You can also click and hold on the name of any slice in the list and drag your mouse up and down to preview the slices one by one. At this point, listen to each slice and decide which sound you want to remove from your loop. For example, you will probably want to keep the kick drum in order to keep a steady beat, but you can