Dantes Diwiak studied singing with Klaus Kirchner and opera at the Musikhochschule Hannover with Theo Altmeyer.
In 1982, he performed with them the Oratorio de Noël of Camille Saint-Saëns, in 1983 he participated in Rossinis Petite messe solennelle as part of the Kirchentag, also in Weber's Missa sancta No.
In the Neustädter Kirche, Hannover, he sang in choral concerts, in 1986 Stravinsky's Canticum sacrum,[4] in 1988 Stravinsky's Cantata and Mozart's Great Mass in C minor,[5] in 1990 Bach's Mass in B minor,[6] in 1991 he was the Evangelist in the St Matthew Passion in the last concert conducted by Erhard Egidi, together with Anselm Richter, Monika Frimmer, Ralf Popken and Joachim Gebhardt.
Gerald Kegelmann conducted the Heidelberger Madrigalchor, the Accademia Filarmonica Köln and the Trumpet Consort Friedemann Immer [de], Veronika Winter, Kai Wessel and Raimund Nolte.
[10] In 2002, Diwiak founded together with Monika Frimmer, Christa Bonhoff and Peter Kooy a quartet Tanto Canto to sing rarely performed music a cappella, with piano or with ensemble.