it's not there
Boss DR770 drum computer, 255 sounds, 400 preset + 400 user patterns, 64 preset 64 user drumkits, 10.000 pattern memories, built-in effects processor, 2 footswitch inputs
How do you program a bass line for a song
i need a user manual boss dr 770.
pleasejorge
hello
i need a boss dr 770 i want bay it thank you
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