Mark Doty (of the popular analog synth YouTube channel AutomaticGainsay) demonstrates the fundamental techniques of how to create a great lead sound on an analog synth with the filter and oscillators to create variance in frequency and richness in tone. Using the Moog Grandmother, he talks aesthetics, patching, and portamento.
To understand more about the sound and build of the Moog Grandmother, check out: https://youtu.be/7nNfRcuPUks
Learn even more about the Moog Grandmother here: https://www.guitarcenter.com/Moog/Grandmother-Semi-Modular-Analog-Synthesizer.gc?source=4GOA4LOBA
And keep up with Marc Doty here: https://www.youtube.com/user/AutomaticGainsay