Johann Michael Haydn was an Austrian composer of the Classical period, the younger brother of Joseph Haydn.
From Wikipedia (https://en.wikipedia.org/wiki/Michael_Haydn) under Creative Commons Attribution CC-BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0/legalcode)
Missa "Pro defuncto Archiepiscopo Sigismundo" - I. Introitus et Kyrie
Hungarian Radio and Television Chorus, Liszt Ferenc Chamber Orchestra, Budapest, Martin Klietmann, Michael Haydn, Judit Németh, József Moldvay, Ibolya Verebics, and Helmut Rilling
4
Symphony in C major (P. 31. MH 478) III. Fugato. Molto vivace
ORFEO Orchestra, PURCELL Choir, Levente Gyöngyösi, Michael Haydn, Bálint Maróth, Pál Benkő, Dávid Csizmár, Aliz Ballabás, Andrea Fekete, Eszter Halmos, Ágnes Pintér, Dávid Szigetvári, Miklós Bodóczky, György JANZSÓ, and Károly Pászti