Kommentare u.a. zu den Liedern:EG 19 O komm, o komm, du Morgenstern / EG 29 Den die Hirten lobeten sehre / EG 81 Herzliebster Jesu, was hast du verbrochen / EG 114 Wach auf, mein Herz, die Nacht ist hin / EG 128 Heilger Geist, du Tröster mein / EG 134 Komm, o komm, du Geist des Lebens / EG 149 Es ist gewisslich an der Zeit.

Dr. theol. Andreas Marti is Titular Professor of Church Music at the University of Bern, Switzerland. He is also a church musician in Köniz near Bern, a representative to the Conference on Liturgy and Church Hymnals of the Reformed Protestant Churches of German-Speaking Switzerland and President of the Liturgy Commission. Also, he teaches liturgy and hymnology at the music departments of the Universities of Bern and Zurich and at the Church Music Academy in Aargau as well as in the French-speaking part of Switzerland at the University of Zurich and at the University of Graz in Austria. He is Editor-in-Chief of the "Jahrbuch für Liturgik und Hymnologie" and an editor of the journal "Musik und Gottesdienst." He often plays the organ in churches in Switzerland and Germany.