Don't Call Me Baby - Single
2000
Digital Sundown - Single
2011
Luminous / Fly Zone - Single
2012
Remember / Good Day - Single
Codec / Watching the Sun Fall - Single
2013
Daytona - Single
Octagon - Single
Rewire - Single
Fireworks - Single
2014
Disturbance - Single
2018
Listen Up - Single
Power - Single
Void - Single
Evolve - Single
2019
Hit the Floor - Single
Open Your Mind - Single
Afterburner - Single
Allen Watts & Billy Gillies
Distant Realm - Single
Robert Lyttle & Billy Gillies
A State of Trance Episode 879
Armin van Buuren
A State of Trance Episode 884
A State of Trance Year Mix 2018
A State of Trance Year Mix 2018 (DJ Mix)
A State of Trance Year Mix 2019 (DJ Mix)
ASOT 919 - A State of Trance Episode 919 (DJ Mix)
Asot 921 - A State of Trance Episode 921 (Xxl Guest Mix: Ruben De Ronde) [DJ Mix]
Asot 934 - A State of Trance Episode 934 (DJ Mix)
Live at ASOT 900 (Who's Afraid of 138?! Stage) [Highlights]
Live at Ultra Music Festival Miami 2019 (DJ Mix) [A State of Trance Stage Highlights]
The Journey - Single
shugz & Billy Gillies
Afterdark 003 [Belfast]
Sneijder & Billy Gillies
2020
Find Your Harmony Radioshow #195 (DJ Mix)
Andrew Rayel
Find Your Harmony Radioshow #222 (DJ Mix)
Find Your Harmony Radioshow #232 (DJ Mix)
Nocturnal Knights Reworked & Remixed Vol. 1
RAM, Darren Porter & Ciaran McAuley
Rhino - Single
Asot 1039 - A State of Trance Episode 1039 (DJ Mix)
2021
Asot 1047 - A State of Trance Episode 1047 (DJ Mix)
Find Your Harmony Radioshow #271 (DJ Mix)
Find Your Harmony Radioshow #279 (DJ Mix)
Find Your Harmony Radioshow #280 (Dark Side Special) [DJ Mix]
Find Your Harmony Radioshow #284 (DJ Mix)
Vonyc Sessions 782
Paul van Dyk
Vonyc Sessions 783
A State of Trance Year Mix 2022 (DJ Mix) [Mixed by Armin Van Buuren]
2022
ASOT 1075 - A State Of Trance Episode 1075 (DJ Mix)
Asot 1085 - A State of Trance Episode 1085 (DJ Mix)
Asot 1100 - A State of Trance Episode 1100 (DJ Mix) [Top 50 of 2022 Special]
Find Your Harmony Radioshow #295 (DJ Mix)
Find Your Harmony Radioshow #299 (Part 3) [DJ Mix] [Dark Side Special]
FSOE 750 - Future Sound of Egypt Episode 750
Aly & Fila, Billy Gillies & Alessandra Roncone
Fyh320 - Find Your Harmony Radioshow #320 (DJ Mix)
A State of Trance 2024 - Destination (The Official Album)
2024
billy gillies (DNA Remix) (feat. billy gillies) - Single
Matt Thomas
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