1760-1813 Monasterio de Santa Ana, Ávila, singer, violinist, harpsichordist and organist.
As María Gembero-Ustárroz consulted in several documents in Madrid, Archivo Histórico Nacional (E-Mah), María Teresa Bernarda Lasegue (Segue) Díez entered the Monastery of Santa Ana de Ávila on 15 June 1760, together with her older sister María Gertrudis. María Teresa Lasegue took final vows on 22 April 1762.
According to Alfonso de Vicente (1989), p. 16, María Teresa was born in Oviedo (Asturias) in 1746 and died in Ávila in "1831" [recte 1813]. Later on, Vicente (2000), p. 529, corrected his mistake and provided María Josefa Carrasco's correct deathdate. Vicente (1989), p. 18, also indicated that the two sisters Lasegue (Segue) had studied with Martín Vidal, singer and instrumentist (violon, violon) at the Oviedo Cathedral.
Domenico Scarlatti was son of the composer Alessandro Scarlatti, and he was active as organist and composer of the Royal Chapel of Naples. He also worked in Florence, Venice, Rome and Lisbon, before his Spanish period in Sevilla (1729-1733) and Madrid (1733-1757) as composer and harpsichord teacher of the princess (later queen) María Bárbara de Braganza, the wife of the Spanish king Fernando VI.