Polyphonic Synth

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-11-12-175419-4ada214-014302#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-11-12-175419-4ada214-014302#ico_minus">

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-11-12-175419-4ada214-014302#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-11-12-175419-4ada214-014302#ico_minus">

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-11-12-175419-4ada214-014302#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-11-12-175419-4ada214-014302#ico_minus">

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-11-12-175419-4ada214-014302#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2019-11-12-175419-4ada214-014302#ico_minus">