NAMM '19 - Mattisson Bass Janek Gwizdala Master Built & Standard Series Signature Bass Demos - YouTube
Mattisson Series IV 5-String 2020 (Janek Gwizdala) | Reverb Deutschland
Caveman Audio Artists, Users & Gear
Groove – Episode #47: Janek Gwizdala – No Treble
Janek Gwizdala
Janek Gwizdala, Bass Entrepreneur: Making a Career | Berklee College of Music
Janek Gwizdala: Cooking Up A Little Bass Magic article @ All About Jazz
Janek Gwizdala: Change Begins At 40 - Bass Magazine
Fodera Announces Janek Gwizdala Signature Imperial Model Bass – No Treble
Janek's Bass Studio
Bass Buddha
Introducing the Janek's custom F Bass featuring DR Hi-Beams! We're proud to collaborate with F Bass and Janek Gwizdala to bring you a bass… | Instagram
Mattisson Modell IV Janek Gwizdala 2022 Limited Edition Masterbuilt | Reverb Deutschland
Janek Gwizdala - Janek Gwizdala updated his cover photo.
Fodera Announces Janek Gwizdala Signature Imperial Model Bass – No Treble