Chiperoni is a kind of drizzle rain which we get in the Shire Highlands during the dry season (mostly May to August). It is named after a mountain in Mocambique, which forces the clouds to rise higher and thus brings an influx of fog and drizzle and cold weather to Blantyre.

See:
http://www.chiperoni.ch/wordpress/index.php?p=9

From what part of Zambia do you come? Do you have a digital version of the song that you can upload?
Is it this album:
http://ubl.artistdirect.com/nad/store/artist/album/0,,291136,00.html
?