I think I could walk into any music shop anywhere and with a guitar off the rack, a couple of basic pedals and an amp I could sound just like me. There's no devices, customized or otherwise, that give me my sound.
A poem is learned by heart and then not again repeated. We will suppose that after a half year it has been forgotten: no effort of recollection is able to call it back again into consciousness.
I think hearts are very much like glasses. If they do not break with the first ring, they usually last a considerable time.