APPEARANCES +
Ralf GUM Featuring Beate S. Lech*
Warrior
2006, 12", Gogo Music
Various
Go!
2005, CD, Comp, Mixed, Gogo Music, 
,
, House
Raw Artistic Soul
Kana EP
2005
Ralf GUM
Studio - The Finest In Lounge And House Music
2004, CD, Comp, Mixed, CKP Records
Howard Donald And Ralf Gum
Arrival Vol.1 - The Ultimate House Mix
2004, 2xCD, Mixed, Airport Records, Airport Records, ,
, House/Deep House
DJ Omny
Elements Of Soul
2004, CD, Mixed, Mediatone, 
,
, House/Latin/Deep House/Jazzdance
Ralf GUM & Inaya Day
What I Like
2004, Vinyl, ,
, House/Garage House
Daniel Klein
Latin Soul Fusion Vol.02
2003, 2xCD, Comp, Mixed, Clubstar, ,
, Latin/Jazzdance/House/Future Jazz/Deep House/Acid Jazz/Downtempo
Various
Muschihaus Volume Five
2003, 2xCD, Mixed, Muschihaus
Ralf Gum Feat. Concha Buika
Nobody Can Touch Me
2002, ,
, House/Garage House
Hanna Haïs
Love Paradise
2009, 
,
, House/Euro House/Disco
Various
Go!!
2006, CD, Mixed, Gogo Music, ,
, House/Deep House
Deep Bros. feat. Dawn Tallman
Go Deep
2003, ,
, House
Hanna Haïs
Yes, Please! 3 Selected By Hanna Haïs (A House Music Compilation From Atal Music, Bubble Soul, GOGO Music & Stalwart)
2008, 13xFile, WAV, Atal
Various
Pure Lounging
2006, CD, Mixed, Dig, ConceptFabric, ,
, Deep House
Various
A Gogo Music Artist Sampler (Spring Collection 06)
2006, ,
, House
Various
Blue Monday / Love Is Strange / Marianne / Come Go With Me
7", EP, Promenade