According to Wikipedia, Antonio Valente was an Italian organist and composer, blind from childhood. He served as organist of Sant'Angelo a Nilo in Naples in 1565-80.
'Lo Ballo dell'Intorcia' appears in his 'Intavolatura de cimbalo' (1576).
Variations 1 & 7: OM: Trompeta 8'
Variations 2-6: OE: Voz Humana 8' +
Flauta Chimenea 4'
WARNING: The chamade is loud!
Score available here: http://ks.imslp.info/files/imglnks/usimg/4/4e/IMSLP133593-WIMA.8431-Valente_Ballo_intorcia.pdf