Boss MS-3 - How to use Expression Pedal
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How to use use an expression pedal with your Katana MKII - UNLOCK THAT POWER!
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Boss MS-3 - How to use MIDI
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Expression Pedals: How to Be Creative
3:28
Boss MS-3 - How and Why to use 4 cable method
21:33
Boss MS-3 Multi Effects and Pedal Switcher | Review
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Boss EV-30 vs Roland EV-5 | Expression Pedal Comparison
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Volume and Expression Pedal for newbies | Setup and Use-cases
7:36