La Molinera polka
There are 4 recordings of this tune.
La Molinera has been added to 5 tunebooks.
Asturian traditional music.
The name of the tune means millerwoman. There are different tunes and songs under this name in different regions in Spain, even within Asturias there can be found different ones.
This one is the one that the Asturian bands Llan de Cubel and Corquiéu play, you can find the YouTube links:
Llan de Cubel from their album IV (it starts at 2:46):
Corquiéu, from their album La Barquera. They do it as a song:
The tune is in C minor (as played by Llan de Cubel). It is not a polka and I don’t know really which category would it be.
La Molinera X2
Easier setting for whistle