"New Shortcut" [mp3 removed -- some of this got incorporated into New Shortcut Medley, on Bandcamp]
MIDI drums and some FM percussion under live-synthesized dual leads.
One channel is an ADSR signal output used as a control voltage to sweep evenly down through a series of harmonized sine waves in a wavetable oscillator.
These sweeps themselves change pitch according to simple MIDI sequence.
The same sequence is also triggering a synth in the other channel - also a sine with slight FM modulation and heavy tremolo (almost like a "phone off the hook" sound).
The nursery room melodies of this and many other recent songs are inspired by the idea of what Carl Orff called "streetsongs" - simple figures anyone can play as an ensemble. The timbres of the electronic instruments are the main focus here.