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![Boss DR-770 - DR. RHYTHM DRUM MACHINE - mint in box w/AC adapter [0220160585] - $100.00 : EdsGoodStuff, it's all good](https://edsgoodstuff.com/edscart/bmz_cache/022016/boss_dr_770_drum_machinejpg.image.600x450.jpg "Boss DR-770 - DR. RHYTHM DRUM MACHINE - mint in box w/AC adapter [0220160585] - $100.00 : EdsGoodStuff, it's all good")
Boss DR-770 - DR. RHYTHM DRUM MACHINE - mint in box w/AC adapter [0220160585] - $100.00 : EdsGoodStuff, it's all good
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Roland Boss DR 770 Promo (1999) - YouTube
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DR-770
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