Maria Teresa Agnesi (October 17, 1720 – January 19, 1795) was an Italian composer. Though she was most famous for her compositions, she was also an accomplished harpsichordist and singer, and the majority of her surviving compositions were written for keyboard, the voice, or both. Maria Teresa was born in Milan to Pietro Agnesi, an overbearing man in the lesser nobility. He provided early education for both Maria Teresa and her more famous older sister, Maria Gaetana, a mathematics and language prodigy who lectured and debated all over Europe while her sister performed. Maria Teresa was married to Pier Antonio Pinottini on June 13, 1752, and they settled in a district populated by intellects and artists, but eventually suffered severe financial ruin. Pinottini died not too long afterwards. Maria Teresa died in Milan in 1795. Not much is known about Maria Teresa. Nothing is known of her education or teachers, and the dates of her compositions are largely unknown. Many of her compositions have been lost, although there are records of their existence. Her career was made possible by the Austrian Lombardy, which proved progressive and enlightened in women's rights. The movement was more prevalent in Vienna and Dresden rather than her hometown of Milan, and Maria Teresa found more success and more appreciative audiences in these cities than in her birthplace. Maria Teresa had several famous performances, perhaps the most famous on July 16, 1739, when famous French traveler Ch