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This is part three of a three part series on DIY synth building. 
Part 1: <a href="http://casperelectronics.com/finished-pieces/omsynth-minilab/omsynth-video-tutorials/video-1-oscillators/">Oscillators</a>
Part 2: <a href="http://casperelectronics.com/finished-pieces/omsynth-minilab/omsynth-video-tutorials/video-2-sequencers/">Sequencers</a>
Part 3: Samplers