Sofia Gubaidulina, Russian-German pianist and composer (born 1931)

Sofia Asgatovna Gubaidulina was a Soviet and Russian composer of modernist sacred music. She was highly prolific, producing numerous chamber, orchestral and choral works. Her output has been described as exploring the tensions between Western and Eastern music, and has been characterised by "innovative use of microtonality and chromaticism, rhythm over form and use of contrasting tonalities.

March 13 is the 72nd day of the year in the Gregorian calendar; 293 days remain until the end of the year.