Question: Best known as a singer of Franz Schubert's Lieder, this german performer released productions with the German record label founded by whom?

Context paragraphs:
Dietrich Fischer-Dieskau: Dietrich Fischer-Dieskau (28 May 192518 May 2012) was a German lyric baritone and conductor of classical music, one of the most famous Lieder (art song) performers of the post-war period, best known as a singer of Franz Schubert's Lieder, particularly ""Winterreise"" of which his recordings with accompanist Gerald Moore and Jörg Demus are still critically acclaimed half a century after their release.

Siegfried Lorenz: Siegfried Lorenz (born 1945) is a German opera and concert singer.  A baritone, he is particularly noted for his recordings of the lieder of Franz Schubert.  He was the first to be appointed a permanent soloist at the Leipzig Gewandhaus.

Orfeo (record label): Orfeo International Music GmbH of Munich is a German classical record label founded in 1979 by Axel Mehrle and launched in 1980.  It has released many classical own productions with artists as Carlos Kleiber, Wolfgang Sawallisch, Rafael Kubelik, Colin Davis, Bernard Haitink, Kurt Eichhorn, Christian Thielemann, Andris Nelsons, Dietrich Fischer-Dieskau (both as singer and conductor), Jessye Norman, Julia Varady, Margaret Price, Lucia Popp, Diana Damrau, Edita Gruberova, Grace Bumbry, Brigitte Fassbaender, Agnes Baltsa, Carlo Bergonzi, Peter Schreier, Piotr Beczala, Renato Bruson, Bernd Weikl, Kurt Moll, Dmitry Sitkovetsky, Josef Bulva, Oleg Maisenberg, Mischa Maisky, Julius Berger, Karl Leister, Aurele Nicolet etc.  In addition, it has a well-known sub-label "ORFEO D'OR", publishing legendary live performances from the archives of the Salzburg Festival, the Bayreuth Festival, the Bavarian State Opera, the Vienna State Opera, the Bavarian Radio Symphony Orchestra etc.  Further, it has produced two records with the late Heinz Ruehmann.  Many of the publications have been critically acclaimed and have received important awards.

Franz Schubert's Works: Franz Schubert's Works: Complete and Authoritative Edition (German: "Franz Schubert's Werke: Kritisch durchgesehene Gesammtausgabe" ), also known as the Collected Edition, is a late 19th-century publication of Franz Schubert's compositions.  The publication is also known as the Alte Gesamt-Ausgabe ("the former complete edition"), abbreviated as AGA, for instance in the 1978 edition of the Deutsch catalogue, in order to distinguish it from the New Schubert Edition.

Lied: The lied ( or , plural lieder ; ] , plural ] , German for "song") is a setting of a German poem to classical music.  The term is used for songs from the late fourteenth or early fifteenth centuries or even to refer to Minnesang from as early as the 12th and 13th centuries.  It later came especially to refer to settings of Romantic poetry during the late eighteenth and nineteenth centuries, and into the early twentieth century.  Examples include settings by Ludwig van Beethoven, Franz Schubert, Robert Schumann, Johannes Brahms, Hugo Wolf or Richard Strauss.  Among English speakers, however, "lied" is often used interchangeably with "art song" to encompass works that the tradition has inspired in other languages.  The poems that have been made into lieder often center on pastoral themes or themes of romantic love.

Vandit: Vandit Records is a German record label founded in 1999 by Paul van Dyk.  Its first release was van Dyk's own tracks "Another Way" and "Avenue".  The Berlin-based record label is largely focused on trance and progressive house.  The label has been known for hosting large concert parties in Berlin.

Heinrich Heine: Christian Johann Heinrich Heine (] ; 13 December 1797 – 17 February 1856) was a German poet, journalist, essayist, and literary critic.  He is best known outside Germany for his early lyric poetry, which was set to music in the form of "Lieder" (art songs) by composers such as Robert Schumann and Franz Schubert.  Heine's later verse and prose are distinguished by their satirical wit and irony.  He is considered part of the Young Germany movement.  His radical political views led to many of his works being banned by German authorities.  Heine spent the last 25 years of his life as an expatriate in Paris.

Gently My Songs Entreat: Gently My Songs Entreat (German: Leise flehen meine Lieder ) is a 1933 Austrian-German musical film directed by Willi Forst and starring Marta Eggerth, Luise Ullrich and Hans Jaray.  Art direction was by Julius von Borsody.  The film is a biopic of the composer Franz Schubert (1797–1828).  It was Forst's directorial debut.  A British version was made called "Unfinished Symphony".  The German title refers to the first line of the Lied "Ständchen" (Serenade) from Schubert's collection "Schwanengesang", "the most famous serenade in the world", which Eggerth performs in the film.

Wanderer's Nightsong: "Wanderer's Nightsong" (German: "Wandrers Nachtlied" ) is the title of two poems by the German poet Johann Wolfgang von Goethe.  Written in 1776 ("Der du von dem Himmel bist ") and in 1780 ("Über allen Gipfeln "), they are among Goethe's most famous works.  Both were first edited together in his 1815 "Works" Vol.  I with the headings "Wandrers Nachtlied " and "Ein gleiches " ("Another one").  Both works were set to music as lieder by Franz Schubert as D 224 and D 768.

Sonar Kollektiv: Sonar Kollektiv is a German record label founded in the late 1990s by the DJ and producer team Jazzanova(Claas Brieler, Roskow Kretschmann, Stefan Leisering, Axel Reinemer).  The label specializes in downtempo music.  The intention was to create an independent record label and publisher connected to a worldwide independent distribution network.  They have more than 200 catalogue releases over the years.  The label is promoted in the United States by Prommer, Inc.

Supporting paragraphs: Orfeo (record label) Dietrich Fischer-Dieskau
Answer: Axel Mehrle