BassDiscovery on Twitter: "It's as beautiful as interesting ;) Sivcak Guitars - Swamp Ash caliber body + curly maple top - weight 3,55 kg! #bass #bassporn #groove https://t.co/IznnRWYiuj" / Twitter
Séria OSC - OSC II 4 063816 - Soller & Sivcak
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Sivcak OSC II 5 – BassGears
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Bass of the Week: Sivcak Guitars NDHS 5 062916 – No Treble