@Mukiha, memories are truly made of this. You have reminded of my dad. He used to teach me these songs when I was a little boy.

@kenmac, Ndabibi went like this

Ndabibi-i ndabibi,
Ng'ara ng'ara ndithi,
Ndithi ndithi bae
Bae bae ngurumi,
Ngurumi thengeria kaguru kau kamwe. (at this point you are supposed to remove the 'kaguru')

... I hope I right on the spelling.

the one we sang for the rain went like this
"mbura ura, nguthijire, gategwa kari itara......" thats how far i can go.

na ndi mukuru kweri

Wewe, where i come from, this was normally used to determine who had 'emitted noxious gasses' in a public place, often at the least appropriate time.

As in, the 'judge' would sing it while pointing to the people (in a pattern) for each syllable.

Nda khaba khaba osi osi,
Nda chenda chenda, osi osi,
Nda tala tala, osi, osi,
Habula na shalibaho

Nda manya manya, kwese, kwese,
Nda temberera, kwese, kwese,
Nda tsvaga tsvaga, kwese, kwese,