Engineering · Performance
Demacio "Demo" Castellon
real name Demacio Castellon
Demacio "Demo" Castellon is credited on 581 pressings across 134 albums tracked on Gatefold, active 2002–2026 — the collector-built map of who actually made the music.
581
Pressings
134
Albums
3
Decades active
425
In collections
Biography
Demacio Castellon is an American-Cuban engineer, mixer and producer who frequently works with Timbaland.
Known as "Demo", Castellon was married to Nelly Furtado from 2008 to 2016.
Bio from Discogs
Credited work
581 pressings · 134 albums · active 2002–2026
- Engineering · 2,068
- Performance · 397
- Production · 72
- Other credits · 13
Studios: The Hit Factory Criteria · Chalice Recording Studios · Thomas Crown Studio · Record One, Los Angeles
Discography
Records they worked on — most-collected first.

The Black Album
2003

Kala
2007

The Documentary
2005

Under Construction
2002

Magna Carta... Holy Grail
2013

Monkey Business
2005

Loose (International Tour Edition)
2007

Good Girl Gone Bad
2007

The Dutchess
2006

Shock Value
2007

Dangerously In Love
2003

PCD
2005

Celebration
2009

Cheers
2003

This Is Not A Test!
2003

Curtis
2007

Hard Candy
2008

Tha Blue Carpet Treatment
2006

The Cookbook
2005

Rebel Heart
2015

Xscape
2014

The Big Bang
2006

Ultimate Aaliyah
2005

The Red Light District
2004
Frequent collaborators
- Madonna
- Timbaland
- Missy Elliott
- Nelly Furtado
- Jay-Z
- Brandy (2)
- Ja Rule
- The Game (2)
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