How to use Subsonic to add bass to your beats (SP404SX Tutorial)
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Lofi hip-hop jams on the SP404sx
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How to add bass/sub to your SP404sx beats (Part 2)
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The fastest way to chop on an SP404sx?
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SP404 Full Workflow Guide for Beginners Part 1
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More fun with sub sonic - SP404sx / SP404a tutorial
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Sp 404sx Tutorial Quick Tip 24 | Instant Moog Bass
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How to use SP404sx as guitar effects pedal
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