Question: Which prominent festival of music and drama did Marga Schiml appeared in 

Context paragraphs:
Great World Beer Festival: The Great World Beer Fest (GWBF), originally known as “Brewtopia” was established in 2002 and was a long-running, large beer festival in New York City.  Billed as the "United Nations of Beer,” GWBF featured brewers from around the world in a fun, competitive, and prominent festival designed to increase the public's awareness of craft beers. Traditionally held in the fall, the GWBF held its eighth and final event in 2010.

New York New Music Ensemble: The New York New Music Ensemble (NYNME) is an American contemporary music Pierrot ensemble.  Since 1976, the group has commissioned, performed and recorded works by both emerging and prominent living composers.  Its performances have been featured at several major music festivals including the Ravinia Festival, the Santa Fe Chamber Music Festival, June in Buffalo, the Pacific Rim Music Festival, and the Thailand International Composition Festival (TICF).  NYNME has also been recognized and supported by many significant American foundations, including the Jerome Foundation, the Fromm Foundation at Harvard, the Mary Flagler Cary Foundation, the Mellon Foundation, the Koussevitzky Foundation, and the NEA and NYSCA.  The group has held numerous residencies at universities, such as Rice University, Emory University, Brandeis University, the University of Wisconsin-Madison, the University of Pittsburgh, and Princeton's Institute for Advanced Study.  Over the years, NYNME has premiered over 140 works, the vast majority of which were written specifically for the group.  Among the prominent composers with whom the group has enjoyed longstanding associations are Elliott Carter, Jacob Druckman, Charles Wuorinen, Mario Davidovsky, Harvey Sollberger, Joan Tower, George Perle, Rand Steiger, John Eaton, and David Felder.  The group's activities have also included tours in Europe, Asia, and South America.

Marga Schiml: Marga Schiml (born 29 November 1945) is a German opera singer who sings mezzo-soprano and alto.  She has appeared at major European opera houses and festivals, such as the Vienna State Opera, the Deutsche Oper Berlin, the Hamburg State Opera and La Scala, at the Salzburg Festival and the Bayreuth Festival.  She is also an academic voice teacher.

Mimi Stillman: Mimi Stillman (born Boston) is a prominent concert flutist.  She has been hailed by The New York Times as "a consummate and charismatic performer."  Called "the coolest flute player" by Philadelphia Magazine, she is critically acclaimed for her dazzling artistry and communicative powers.  A Yamaha Performing Artist, she has appeared as soloist with orchestras including The Philadelphia Orchestra, Bach-Collegium Stuttgart, Hilton Head Orchestra, Indianapolis Chamber Orchestra, Orquesta Sinfónica de Yucatán, Orquesta Sinfónica Carlos Chávez (Mexico City), Oklahoma City Philharmonic, Orchestra 2001, Ocean City Pops, Spartanburg Philharmonic Orchestra, Chamber Orchestra of the Triangle, and Curtis Chamber Orchestra.  She has appeared as recitalist and chamber musician at The Kennedy Center, Carnegie Hall, the Kimmel Center for the Performing Arts, Philadelphia Chamber Music Society, Bard College, La Jolla Chamber Music Society, Kingston Chamber Music Festival, Isabella Stewart Gardner Museum, Bay Chamber Concerts (ME), Verbier Festival (Switzerland), Israeli radio Kol HaMusica, National Sawdust, Roulette, and Festival delle Nazioni (Italy).

Fasting in Jainism: Fasting is very common among Jains and as a part of festivals.  Most Jains fast at special times, during festivals, and on holy days.  Paryushan is the most prominent festival, lasting eight days in Svetambara Jain tradition and ten days in Digambar Jain tradition during the monsoon.  The monsoon is a time of fasting.  However, a Jain may fast at any time, especially if he or she feels some error has been committed.  Variations in fasts encourage Jains to do whatever they can to maintain whatever self control is possible for the individual.  According to Jain texts, abstaining from the pleasures of the five senses such as sounds and dwelling in the self in deep concentration is fasting ("upavāsa").

Salzburg Festival: The Salzburg Festival (German: "Salzburger Festspiele" ) is a prominent festival of music and drama established in 1920.  It is held each summer (for five weeks starting in late July) within the Austrian town of Salzburg, the birthplace of Wolfgang Amadeus Mozart.  One highlight is the annual performance of the play "Jedermann" ("Everyman") by Hugo von Hofmannsthal.

Sound of Stockholm: Sound of Stockholm is an annual Swedish festival for contemporary classical music.  The festival is based in Stockholm and was initiated by the composers Henrik Strindberg and Peter Lindroth during the 50-year-anniversary of the chamber music society "Samtida Musik".  The festival is arranged by some of Sweden's most prominent institutions for contemporary music including Samtida Musik, Kroumata, Fylkingen, SEKT and Stockholm Saxophone Quartet.  The festival first took place in 2010, when 1,400 people visited (a high number of people for a contemporary music festival) the 21 concerts and seminars that took place.

Susquehanna Breakdown Music Festival: The Susquehanna Breakdown Music Festival, formerly known as The Old Farmer's Ball, is a one-day music festival held at the Toyota Pavilion at Montage Mountain in Scranton, Pennsylvania.  The focus of the festival centers around the arts and spans musical genres including folk, Americana, roots, and bluegrass.  The festival began in 2013 when Cabinet, a prominent regional band in Northeastern Pennsylvania, and Live Nation Entertainment started the festival to bring attention to not only their musical genre, but also to regional artists, farmers and craftsmen, who showcased and sold their wares throughout the festival.  To bring further attention to the festival "The Weekender" and local pub The Backyard Alehouse signed on as sponsors, and thus the festival began.  It was renamed in 2014 to reflect the name of a Cabinet song and to further personalize it for not only themselves, but both fans and concertgoers.

Marga Schiml discography: Mezzo-soprano Marga Schiml participated in several recordings in concert and opera.

Julie Landsman: Julie Landsman (born April 3, 1953) is an American-born French horn player and teacher.  Formerly Principal Horn of the Metropolitan Opera from 1985-2010, Landsman now primarily performs chamber music.  Prior to her appointment with the Metropolitan Opera Orchestra, Landsman served as co-principal horn with the Houston Symphony, and has toured internationally with the New York Philharmonic and Orpheus Chamber Orchestra.  Julie Landsman is on the faculties of The Juilliard School and the Bard College Conservatory of Music, and her students hold prominent positions in orchestras throughout the world.  A graduate of Juilliard, her teachers have included James Chambers, Howard Howard and Carmine Caruso.  Landsman is featured horn soloist on the recording of Wagner's Ring Cycle with the Metropolitan Opera conducted by James Levine, and has appeared on numerous other recordings.  Music festival appearances have included the Marlboro Music Festival, Sarasota Music Festival, Chamber Music Northwest, Santa Fe Chamber Music Festival, Aspen Music Festival and School, Mainly Mozart Orchestra, and La Jolla SummerFest.  Landsman grew up in Brooklyn.

Supporting paragraphs: Marga Schiml Salzburg Festival
Answer: The Salzburg Festival