Sister M. Rita Estelle Broussard CSC, a member of the Congregation of the Sisters of the Holy Cross who had been a musician and a longtime Washington music instructor, died Jan. 1 at her home in a convent in Notre Dame, Ind., after a stroke and heart attack. She was 102.

Sister Rita Estelle, a Texas native, was a 1921 music and piano graduate of St. Mary's College in Notre Dame and received a master's degree in music from the American Conservatory of Music in Chicago in 1926. She entered the congregation in 1921 and took her final vows in 1927.

She came to Washington in 1933 and lived in this area until moving to Indiana in 1999. In Washington, she taught at the Academy of the Holy Cross and then joined the faculty of Dunbarton College, where she chaired the music department from 1939 to 1973.

The following year, she retired to the academy's St. Angela's Hall in Kensington, where she continued to give music lessons.

Sister Rita Estelle, a pianist, learned the violin and piano sonatas of Charles Ives in her mid-70s. She had toured the East Coast and Texas with violinist Erno Valasek. When she retired to Indiana, she brought her grand piano with her.

Her hobbies included travel. At age 70, she took up snorkeling.

She leaves no immediate survivors.