Claus, I was impressed with your bass performances,… the tone of the upright bass is very rich, your technique is superb. 
Wyzard – Mothers Finest


Claus Freudenstein is an International doublebass soloist and pedagogue.

Famous for his creativity and his unique work he is the founder of the Doublebass Ensemble “The Bassmonsters”, which brings together top European bassists and gives doublebass playing a new dimension. The release of the albums “The Bassmonsters – Classic meets Rock” and “UNIO” impressively prove this. Many of the works recorded on it are Claus Freudensteins arrangements.

In his solo program, too, he devotes himself intensively to this topic.

His developments of the „Freudenstein Minibass” of his own teaching methodology make Claus Freudenstein an internationally leading doublebass teacher. Workshops on this topic have taken him to Hong Kong, Taiwan, Central and South America, Portugal, Italy, Greece, Spain, England the USA and many more countries.

Claus Freudenstein is the organizer and artistic director of the „Bavarian Bassdays“ music festival.
In addition, he works as a composer and arranger for the publishers “Friedrich-Hofmeister Musician Publishing House (D)”, “Recital Music (GB)” and “Gilgenreiner Verlag (CHE)” and he is the owner of the record label “UNIO-Records”

The “Conservatorio Nacional de Música Francisco R. Diaz Zelaya” in Tegucigalpa / Honduras awarded Claus Freudenstein the honorary doctorate in 2017.

Claus Freudenstein’s diverse musical work led him to collaborate with many musicians, ensembles and institutions from the national and international music scene:

  • Franćois Rabbath
  • Steve Bailey
  • Prof. Bozo Paradzik
  • Adam Benezra
  • Peter Sonntag
  • Prof. Duncan McTier,
  • FIU – Florida International University
  • The University of Texas Rio Grande Valley (UTRGV)
  • The Conservatory of Larissa (GRC
  • Dan Styffe, Linus Klausenitzer
    NMH – Norwegian Academy of Music
  • Norsk Kontrabassklubb
  • Erlend Skei
  • Bayerischer Rundfunk
  • ARD
  • Musifanto Musikfestival (GRC)
  • Theatro José de Alencar – Fortaleza BRA
  • Musicpark Leipzig
  • Musicaustria
  • Florian Pertzborn
  • Universität Porto (PRT)
  • Prof. DaXun Zhang
  • Phoebe Alviz Russell
  • Hagai Bilitzky
  • Alberto Boccini, „The Bassgang“
  • „The ISB – International Society of Bassists”
  • „The European String Teachers Asscociation”
  • „The Bavarian Basscamp“
  • „Deep Purple“
  • „Galicia Graves“
  • „Contrabass Conversations“
  • „Tenerifa Symphony Orchestra“
  • „Malta Philharmonic Orchestra“
  • „Orchestra de Baja California“
  • „German Radio Orchestra“
  • Festival Centroamericano De Contrabajo Kevin Gonzalez
  • The “Whisky a Go Go” Music Club Los Angeles
  • Conservatorio Nacional de Música Francisco R. Diaz Zelaya
  • Bayerische Staatsoper!
  • „Walter Ino (Survivor)“
  • „Chuck Wright (Quiet Riot)
  • „Münchner Rundfunkorchester“
  • „Rudi Zapf und Zapfn´streich´“
  • „UTRGV Bass Club Texas“
  • „The Iron Maidens“
  • „Andres Martin“
  • „Enrico Fagone“
  • „Philipp Stubenrauch“
  • „SoundPost – Arts and Music“
  • „The Colburn School Los Angeles“
  • „Robert Landfermann“
  • „Wildes Holz“
  • „Thomas Hartmann“
  • „Herbert Pixners Backstage“
  • „Paul Mann“
  • „Richard Whilds“
  • „Die Münchner Symphoniker“
  • „Bad Reichenhaller Philharmonie“
  • „Theater an der Rott“
  • „Simon Garcia“
  • „Recital Music“
  • „John Alexander“
  • „Kulturschuppen Mühldorf“
  • „Universidad Juarez del Estado Durango“
  • „Steve Morse“
  • „The Bass Gang“
  • „Alberto Boccini“
  • „Jeff Bradetich“
  • „Andres Benetzen“
  • „Kristin Korb“
  • „Festival de Percussão de Portimão”
  • „Adrian Marusczik“
  • „Jonas Hellborg“
  • „San Diego State University“
  • „John Alexander“
  • „John Law“
  • „Cherry Tsang“
  • „Divinity Roxx“
  • „Rocío González Benítez“
  • „Richard Whilds“
  • „Bayerische Basstage“
  • „Musikmesse Frankfurt“
  • „Friedrich-Hofmeister-Musikverlag“
  • „Matthias Michael Beckmann“
  • „Sabine Kraus“
  • „Eva Barbarino“
  • „Polizeiorchester Bayern“
  • „Prof. Matt Hare“
  • „Prof. Petru Iuga“
  • „Emilio Yeppes“
  • „Szymon Marciniak“
  • „Barry Green“
  • “Ezio Bosso”