Lidia Kierończyk passed away on April 3, 2017 after fighting a long illness. She was a teacher of music theory and since 1999, she was the head of the theory section in the School of Music on Głogowska Street in Poznań. She was associated with the Poznań School of Talents (now called: The Jadwiga Kaliszewska School of Music and General Education in Poznań). For over four decades Lidia Kierończyk was also a teacher of Aural Skills in the Ignacy Paderewski Academy of Music in Poznań.