Organ Landscape Latvia, Lettland - Rost, Martin; Meder, Johann Valentin; Müthel, Johann Gottfried; Telemann, Georg Michael; Postel, Rudolf; Alunāns, Nikolajs; Kalniņš, Alfrēds; Laja, Peeter; Bergner, Wilhelm; Ore, Ādams; Vītols, Jāzeps; Mediņš, Jāzeps; et al.