Working in Ableton Live, you can certainly get "perfect" synth sounds when you want them - free of distortion or detuning, with a clean output. In a new video, AfroDJMac looks at how to get a dirtier and more imperfect sound, using the LFOs in Sampler to add subtle pitch modulation to a sample, then adding a custom Effect Rack to further color the sound. Lastly, the samples were recorded to tape, giving the instrument a vintage flavor:

Download the Instrument Rack for free at AfroDJMac's site