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A Guided Tour of the Redrum Interface > A Guided Tour of the Redrum Interface - Pg. 144

Figure 7.13 When a Solo button is clicked on a Redrum channel, all other channels are muted. TWO WAYS TO TRIGGER SAMPLES There is a second way to trigger samples from Redrum without having to click on each trigger on the interface. You can set up your MIDI controller keyboard to trigger each sound. First, make sure that you have selected your controller keyboard as your MIDI input device (covered in Chapter 2). Next, select the sequencer track that is connected to Redrum (see Figure 7.14). Make sure that the track is armed and ready to receive input from your controller keyboard. If you press the C1 note on your MIDI keyboard, you should now hear the kick drum play. At this point, you will also be able to trigger all of the different drum samples loaded in your Redrum kit, as they are mapped out between notes C1 and A1 on your controller keyboard. Figure 7.14 Highlight your Redrum sequencer track and make sure that it is armed to receive MIDI input from your controller keyboard. MAPPED SAMPLES EXPLAINED From time to time, you will hear the term mapped out used to describe how samples are assigned to specific keys on your MIDI keyboard. In the case of Redrum, this is a very easy concept to understand, because there are only 10 possible keys that your drum samples can be assigned to. First, you need to understand that there are 10 available octaves in a MIDI sequencer, just as there are 10 octaves on an 88-key piano. Each octave uses the C key as its starting point. Additionally, every note on your MIDI keyboard has a corresponding numeric value. With this in mind, the octaves on a MIDI keyboard are identified as follows: C-2 to B-2 (MIDI notes 0-11)--The lowest octave on a keyboard C-1 to B-1 (MIDI notes 12-23)