Hindsight and improved medical science has shown that during my short stay in Kabul, I contracted Borrelia bacteria (strains of which in the US cause "Lyme Disease") from ticks, which fell off mice that scampered over my feet during sleep, attracted probably by the bits of sweets given to me lovingly by Madaar (Mother), which I kept in my suitcase under the bed.
So I went and started shining shoes, better yet, smelling feet and I only had to take my money home and give it to her and one day, she told me to look under the bed and there was the horn and I picked it up and played it.