Born in Berlin, from 1997 to 2004 Schubach attended the Sächsisches Landesgymnasium für Musik Carl Maria von Weber [de].
During his school years he received piano lessons from Gunnar Nauck and Marlies Jacob and musical improvisation with Anja Damianow and Ute Pruggmayer-Philipp.
[1] After the Abitur, Schubach studied conducting with Ekkehard Klemm, followed composition lessons with Wilfried Krätzschmar and Jörg Herchet and electroacoustic music (at the Studio für Elektronische Musik (Dresden) [de] with Franz Martin Olbrisch [de] and Michael Flade at the Hochschule für Musik Carl Maria von Weber as well as composition with Clemens Gadenstätter [de] and Mark Andre at the Universität für Musik und darstellende Kunst Graz.
Additionally he took part in master classes with Brian Ferneyhough, Bernhard Lang, Enno Poppe and Rebecca Saunders among others in Tel Aviv, Warsaw and Graz.
His compositions have been heard at the Festival Next Generation of the ZKM Center for Art and Media Karlsruhe, at the Resonanzen-Festival für Hörkunst in Leipzig, at the Darmstädter Ferienkurse and at the Experimentalstudio-Akademie/matrix 10 in Freiburg.