The VCS3 Synthesizer on 'Welcome to the Machine' – Cold, Dystopian, and Nothing Like 'Dark Side'

On Wish You Were Here’s “Welcome to the Machine,” the EMS VCS3 isn’t just a background texture—it’s the main melodic and rhythmic driver. Gilmour ran the VCS3 through a sequencer to create that pulsing, almost mechanical two-note pattern that opens the song, then layered it with filter sweeps that sound like industrial machinery breathing. Wright used the same synth for the eerie, drifting pads that fill the spaces, but the cold, dystopian mood really comes from how unstable the VCS3 is—its oscillators drift, its patch cables corrode, and that unpredictability makes the song feel like it’s malfunctioning in real time.

Compared to Dark Side of the Moon, the VCS3 was used very differently. On Dark Side, Wright mainly treated it as a sound-effects box—think the swooshing and bubbling on “On the Run” or the tick-tock on “Time.” Those sounds were atmospheric and often improvised, layered into the mix as disembodied noises. For “Welcome to the Machine,” the VCS3 became a lead instrument, tied to a strict rhythmic grid, and every knob tweak was deliberately composed to create a sense of oppressive repetition.

The change reflects the albums’ themes. Dark Side used the VCS3’