2010 Joe Satriani – Black Swans and Wormhole Wizards (Epic/Sony)
MK: keyboards
2010 Chris Opperman – The Lionheart (Purple Cow Records)
MK: guitar on “White Willow”
2010 Henry Kaiser & Wadada Leo Smith – Yo Miles: Lightning (There Records)
MK: composer, guitar, keyboards
2010 Henry Kaiser & Wadada Leo Smith – Yo Miles: Shinjuku (There Records)
MK: guitar, keyboards
2010 Marco Minnemann – Normalizer 2
MK: guitar
2011 Bryan Beller – Wednesday Night Live (Onion Boy Records)
MK: guitar, keyboards
2011 Todd Grubbs – Return of the Worm
MK: guitar
2011 Doug Lunn Project – Doug Lunn Project (CD Baby)
MK: guitar
2011 Steve Vai – The Essential Steve Vai (Epic/Legacy)
MK: guitar, keyboards
2011 Balloon Astronomy – Balloon Astronomy (Self-released)
MK: Acoustic guitar on “One Summer”
2011 Matt Resnicoff – The History Of Now (Recognizable As Music)
MK: producer, various instruments
2012 Joe Satriani – Satchurated: Live in Montreal (Epic/Red Ink/Sony)
MK: keyboards
2012 Various Artists – The $100 Guitar Project Bridge
MK: all instruments, production and composing on “Hi Ma”
2012 Dane Runyon – Looking Below (Dane Runyon)
MK: Producer, guitar, keyboards, mixing, vocals
2012 Steve Vai – The Story Of Light (Favored Nations Records)
MK: keyboards
2013 Todd Grubbs – Best of the Guests
MK: guitar
2013 Joe Satriani – Unstoppable Momentum (Epic)
MK: keyboards
2013 Bear McCreary – Battlestar Galactica: Blood & Chrome Original Soundtrack (La-La Land Records)
More info here
MK: guitar
2013 Metalocalypse (Dethklok) – The Doomstar Requiem: A Klok Opera Soundtrack (BS Records)
MK: vocals
2014 Bear McCreary – Knights of Badassdom Original Soundtrack (Sparks & Shadows)
MK: Guitar
2015 Joe Satriani – Shockwave Supernova (Epic)
MK: keyboards and guitar
2015 Marco Minnemann – Above The Roses
MK: guitar
2016 Steve Vai – Modern Primitive (Epic)
MK: keyboards
2016 Frank Zappa – Frank Zappa For President (Zappa Records)
MK: guitar, keyboards and vocal
2016 Marco Minnemann – Schattenspiel
MK: guitar
2017 Mastodon – The Emperor of Sand (Warner Bros.)
MK: grand piano, Moog and Mellotron on “Jaguar God”
2017 Notopia – Celebrating Life (Notopia)
MK: guitar
2017 Notopia – Two Pianos (Notopia)
MK: Fender Rhodes
2017 Carl King – Grand Architects of the Universe (self-released)
MK: guitar, vocals
2017 Ben Levin Group – The Gods Are All Right (single, self-released)
MK: guitar
2018 Phi Yaan-Zek – Reality Is My Plaything (Geomagnetic Records)
MK: Keys, guitar, vocals, drum programming
2018 Phi Yaan-Zek – Play My Strange Thing (Geomagnetic Records)
MK: Keys, guitar, vocals
2019 Devin Townsend – Empath (Inside Out/Sony)
MK: Co-producer, some writing, some guitar, some keyboards
2019 Bryan Beller – Scenes From The Flood (Onion Boy Records)
MK: guitar
2019 Joe Satriani – Beyond The Supernova Box Set (self-released)
MK: Guitar, keyboards; composer/performer on “Sagittarius (Live)”
2019 Carl King – The Oracle of Outer Space – Soundtrack/Score (self-released)
MK: piano on “Oracle of Outer Space Theme (Mike Keneally Piano Reduction)”