The German conductor, organist, harpsichordist and church musician, Rainer Johannes Homburg, studied church music, organ, conducting, musicology and philosophy in Cologne and Detmold. In 1991, his passed the A-exam of Church Music, in 1992, the artistic maturity of Organ and in 1997 the artistic maturity of Conducting. His principal teachers were Wolfgang Stockmeier (organ), Henning Frederichs (choir directing) and Karl-Heinz Blömeke (orchestral conducting). He attended master-classes with Helmuth Rilling in Stuttgart, Martin Behrmann in Berlin, Georg-Christoph Biller in Leipzig, and Wolf-Dieter Hauschild in Essen. Apprenticeships were with Lawrence Forster at the Deutsche Oper in Berlin and with Michael Gielen in the Südwestfunk-Orchester Baden-Baden.
Rainer Johannes Homburg is since April 1992 Kantor and organist at St. Marien in Lemgo, and musical and artistic director of the Marien-Kantorei Lemgo. He is also head of the Lemgoer Internationalen Orgeltage and CEO of C-Church Music course at the Lippischen Landeskirche. In 1998 he was appointed as technical adviser of the Lippischen Landeskirche für Kirchenmusik. Since the beginning of the 1998, he regularly performs as conductor and harpsichordist with the Ensemble Horizonte from Detmold.
In 1999, the CD recording "Uns ist ein Kind geboren" of the Marien-Kantorei Lemgo under his direction was released. Since 1999 he is lecturer in choral conducting at the summer courses for church music in Oberschäten / Austria. In the spring of 2002, he was appointed Kirchenmusikdirektor (KMD - Church Music Director).