SNAMM '17 - Fender Justin Meldal-Johnsen (JMJ) Signature Mustang Bass Demo Jason ShadrickAugust 10, 2017VideoThe legendary Beck bassist and all-around ace producer shows off his new signature model that’s based on his vintage 4-string.gearvideossnamm-2017fendergear-show-demobass-gear4-stringwhats-newBassVideosGearNAMM