Barbara Jazwinski studied composition and theory at the Fryderyk Chopin Academy of Music in Warsaw, Poland. She received her M.A. degree in composition and piano from Stanford University and her Ph.D. in composition from the City University of New York. Her teachers included Mario Davidovsky, Andrzej Dobrowolski, Gyorgy Ligeti and John Chowning. Currently, she is Head of the Composition Program at the Newcomb Music Department, Tulane University in New Orleans.

Barbara Jazwinski's music has been heard throughout North America, Europe, and the Far East. Her compositions have been selected for programming at many well-known concert series and festivals. including the 4th and the 6th Festival of American Music in London; American Composers Alliance concerts, Spectri Sonori Concert Series, II Album of Contemporary Music, Wroclaw, Poland; Klassik & Elektronik Music Play, Berlin, Germany, the Koszalin Philharmonic Concert Series, Constanta International Music Days; Contemporary Music Series, Nice, France; Concerti Interactive Arts, Lucca, Italy; Musica 2000, Ancona, Italy; Laboratory of Contemporary Music in Warsaw, and Siedlce, Poland; New Music Festival, Edmonton Composers' Concert Society, Canada; New York University New Music Ensemble; Washington Square Contemporary Music Series; Festival, III Corso Internationale di Musica, Commune di Chiusi della Verna, Italy; The New Repertory Ensemble of New York; The Fanfare Festival, Gegenwelten Festival (Mannheim - Heidelberg), North/South Consonance and many others. 

Barbara Jazwinski’s compositions are available on CD recordings: Vienna Modern Masters, Ravello Records, Musiques Suisses and Capstone Records. 

Among her awards are the Prince Pierre of Monaco Composition Award for her Sextet and the First Prize in the Nicola De Lorenzo Composition Contest for Music for Chamber Orchestra. She is the recipient of numerous commissions, grants and fellowships including commissions from the II Album for Young Performers, London Festival of American Music, New York University New Music Ensemble, Louisiana Music Teachers Association, Esther Lamneck, Louisiana Sinfonietta, New Hudson Saxophone Quartet, Chamber Music Center at the Composers' Conference at Wellesley College, Quatuor Francis Poulenc, an Artist Fellowship from the Louisiana State Arts Council, grants from the Presser Foundation, Newcomb Foundation, Metzner Foundation, Meet the Composer, Inc., and several others.

Barbara Jazwinski has also been active as a performer, conductor and promoter of contemporary music. She has served as Music Director of Spectri Sonori, an award-winning concert series that specializes in performances of contemporary music. The series has presented over 50 programs thus far and featured over 400 works for a variety of chamber ensembles. 

Soliloquy was composed in 2017 and dedicated to a dear friend and an astonishing clarinet virtuoso, Esther Lamneck.