Korg D1 Digital Piano (Black) + Sequenz SC-D1 Dedicated Case for the Korg D1. COLLECTION IN LONDON ONLY (Bethnal Green). This is a “like new” Korg D1 digital piano with the dedicated Sequenz soft case. I bought it new only few day ago from Gear4Music, and played it literally once. I now need to move to a smaller flat, and won’t have the space for it, hence the sell. More details about this instrument here. Any questions, please let me know. The item “Korg D1 Digital Piano (Black) + Sequenz SC-D1 Dedicated Case for the Korg D1″ is in sale since Saturday, June 6, 2020. This item is in the ...