Single:
2020 Play That Crap (I Don't Wanna) feat. Bo-Del
Cd's:                                                                                                                                                                            2016 Fischergass' Jazzer                                                                                                                                                2015 Palouse avec Klaus Appel - À demain! - Dreamland
2015 Klaus Appel, Boris Friedel BLOWBEATZ - Dreamland 
2012 Klaus Appel, Boris Friedel & Peter Weiner Wake Up! - Dreamland
2011 Klaus Appel & Boris Friedel - crime scenes one - Dreamland
2011 Palouse avec Klaus Appel - "savoir vivre" - Dreamland
2009 Klaus Appel & The Swing Houze " wham bam, thank you mam " - Dreamland
2007 Klaus Appel & The Swing Houze - Dreamland
2005 Klaus Appel, Juini Booth, Blake Lindberg - realtime movie - M-Factory

Compilations:  
2021 Various Artists - Circles of Jazz (Alternative Tunes) 
2021 Various Artists - Inspired by Contemporary Jazz (Starlight Recordings)                                                  2021 Various Artists - Soul Lounge  (South London Recordings)
2020 Various Artists - The Art of Sound (South London Recordings)
2020 Various Artists - Jazzlounge: Jazzy Vibes for an Chilled Evening (Salon Lounge Recordings)
2019 Various Artists - Hammock Lounging (Chilling Grooves Music)
2019 Various Artists - On the Lakeside, Deep Chill Moments, Vol. 1 (Hotel Tools & Health)
2019 Various Artists - Crossing All over, Vol. 1 (Ruli Media)
2019 Various Artists - Jazz Vibes (Dark Gadgets Recordings)
2017 Various Artists - Blues Sisters, Vol. 2 (Andorfine Digital)
2017 Various Artists - Glam Lounge De Saint Tropez (Salon De Lounge)
2017 Various Artists - Reiseproviant (Chilling Grooves Music)
2017 Various Artists - Chillout Nordernay 2017 (Chilling Grooves Music)
2017 Various Artists - Beach Club Vibes of 2017 (Ibiza Lounge Records)
2016 Various Artists - New Beats on the Floor, Vol.1 (Starlight Recordings)
2016 Various Artists - Fireplace Cozy Jazz Moments, Vol. 2 (DAD MEDIA)
2016 Various Artists - Blue Lounge Maledives (Salon De Lounge)
2016 Various Artists - The Hammock Beach Chills (Salon De Lounge)
2016 Various Artists - More Fresh Tunes 2016 (DAD MEDIA)
2016 Various Artists - The Miami Softhouse Amigos (Deep House Amigo (Detroit))
2016 Various Artists - Sandcastles of Chillhouse (House Place Records)
2016 Various Artists - Stintino Chillhouse: Beats of Italy (Tantrum)
2016 Various Artists - Fresh Tunes  Chillout Sounds of Germany
2016 Various Artists - Running Crossover, Vol. 1
2016 Various Artists - Norderney: Beachhouse Lounge Nordsee
2016 Various Artists - Langeoog Insel Relaxing Musik
2016 Various Artists - Chillout Cala Olivera Ibiza
2016 Various Artists - Chillout Grande Pevero della Sardine
2016 Various Artists - Bluesland of New Orleans - Everlasting Sensation
2016 Various Artists - Smooth Sound - Future Sonic Media
2016 Various Artists - Jazz with Us, Vol.2 - Sa Trincha Recordings
2016 Various Artists - Time For Some Jazz, Vol.2 - Quinyx Trap Sounds
2016 Various Artists - Moments in Paradise - Blues Dedust Black
2015 Casual As Usual - Various Artists - DAD MEDIA
2015 High Noon Chillout - Various Artists - Chilling Grooves Music
2015 Electronic Announcement, Vol.1 - Various Artists - Kigen Future House Sounds
2015 Electro Nicaa - Various Artists - Everlasting Sensation
2015 Vocal Jazz - Around The World - Various Artists - Everlasting Sensation
2015 Sweet Harmony Compilation by SHC2014 Best Of Lounge Music 
2014 - 200 Songs Sa Trincha Recordings
2014 Various Artists - Smooth Jazz With Sex - Chilling Grooves Music
2014 Various Artists - The New Jazzin Orleans Blues Avenue - Weekstart Music

As Sideman:                                                                                                                                                          Melanie Terres - latschu diwes - Pepper Music                                                                                                      1998 Klimperkasten Houzeband - Volume 1+2 
1993 Black and White - Come Together BKB Records
Melanie Terres - Ich danke dir - BKB Records
Isar Express - Lieder die von Herzen kommen - Sony Music
1989 Isar Express - Mit Volldampf voraus - Phonosound
1988 Isar Express - Vier Asse Der Volksmusik - Teldec
1988 Isar Express - Grand Prix der Volksmusik - Teldec
1987 Isar Express - Die Super-Volksmusik-Hitparade - Teldec
1987 Isar Express - Lieder der Heimat - Teldec
1985 Klaus Hoffman - Morjen Berlin - RCA