GT-1B Quick Start chapter3 : Playing

GT-1B Quick Start chapter4 : Effect Edit

Review Demo - Boss GT-1B

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GT-1B Quick Start chapter1 : Getting Ready

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Boss GT-1B Bass Effects Processor

GT-1B Quick Start chapter7 : Looper

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BOSS GT-1B Bass Effects Processor Demo & Review

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BOSS GT-1B Full PATCH Sound P01 to P99 Bass Effects Processor SOUND - Nepali Bass Guitar Lesson

GT-1B Quick Start chapter6 : Setting for CTL1 Pedal

【池部楽器店】BOSS GT-1Bを早速試奏しました！

BOSS GT-1B Bass Effects Pedal Review, Unboxing, and DEMO - Bass Guitar FX

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