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MATRIX PATTERN SEQUENCER

204

Example Usage

As mentioned previously, the Matrix is a very flexible device. Here follows a few

examples of how you can use the Matrix Pattern Sequencer.

Using the Matrix for Modulation

You can effectively use the Matrix as a modulation source, much like an LFO.

Just like the LFOs in Reason’s instrument devices, the Matrix can generate mod-

ulation that is synchronized to tempo, which has many advantages. Proceed as

follows:

1. Create a Synthesizer (Subtractor or Malström).

2. Create a Matrix Pattern Sequencer, or if one already exists, set it to

an empty pattern.

These two devices may or may not be connected (by autorouting) via the

synthesizers Sequencer Control inputs - it doesn’t matter for this example.

3. Flip the rack around and connect the Curve CV output on the Matrix

back panel to the “Amp Level” Modulation input on the synthesizer.

This parameter is used for modulating the output level (volume) of the syn-

thesizer. Volume modulation is often referred to as Tremolo. You can use a

unipolar curve (see page 201) for this example.

4. Flip the rack back again, and switch the Matrix to display the Curve

pattern window.

You should now see an empty pattern window, with no Gate or Curve

events visible.

5. Draw a curve like the one shown in the illustration below.

If you use fewer or more steps than16 (as shown in the picture), just draw

the curve so that it roughly matches the shape in the picture.

6. Activate Click on the transport panel.

7. Select the track that is routed to the synthesizer, so that you can

play it from your MIDI keyboard.

8. Activate Play on the transport panel, and hold a chord down on your

keyboard.

You should now hear the volume being modulated by the Curve pattern.

9. While still in play mode, you can use the Resolution knob to change

the modulation “rate” in relation to the tempo.

For each clockwise resolution step the modulation speed is doubled and

vice versa, but it will always stay in sync with the tempo.

Programming “Acid Style” lead lines

By “acid style” lead lines we mean patterns that use a combination of Legato

and slide (or portamento) effects to produce the widely used hypnotic “wavy”

sound produced by the original Roland TB-303, and recreated in the Propeller-

head Software product ReBirth. To approximate this typical sound using Rea-

son, proceed as follows:

1. Create a Synthesizer (Subtractor or Malström).

2. Create a Matrix Pattern Sequencer, or if one already exists, set it to

an empty pattern.

3. Make sure that the Note and Gate CV outputs are connected to the

synthesizers Sequencer Control CV and Gate inputs, respectively.

4. For Subtractor, select either a Init Patch, or use the “TB Synth”

patch in the Monosynth category of the Factory Sound Bank.

D If you use an Init patch, it is important that you make the following

settings:

• Set Polyphony to “1”.

• Switch Trigger Mode to “Legato”.

• Set Portamento to a value around “50”.

5. Create a pattern in Matrix, and keep it playing back.

D If “Tie” (see page 201) now is activated for a step, the note will be

tied to the next and the pitch will continuously “glide” to the pitch

of the following step.

Please note that Tie should be activated on the note you wish to slide from,

and not the note you slide to.

D If you have several tied notes, one after the other, they will play as

one long legato phrase. This can be used to create “wavy” lead

lines with pitch bend effects.

6. Experiment with different Note, Tie and Gate values.

If you have ever used a TB-303 or ReBirth, you should now begin to get the

hang of how you can create patterns in that particular style by using the Ma-

trix together with a synthesizer.

✪ Adding a DDL-1 (delay), and a D-11 (distortion) effect device will

make it sound even more “ReBirth”-like, but of course you are also

able to get a much wider range of timbres by utilizing Reason’s

other sound and modulation capabilities.

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Propellerhead Reason Spécifications Page 206

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