Mercy’s Anzeiger published advertisements from 22/4/1854 repeated throughout the summer season that noted ‘Music; afternoons or evenings’, followed by a list of coffee house and hotel venues giving musical entertainments on each of the seven days of the week. The ‘Café and Eating house at the Blue Grapes’ on the ‘Obstmarkt [Ovocný trh]’ was at the time of this event being included in this list for Mondays and Saturday evenings. No further details of this event were given by these identical source texts, only a selection of which are given with this record.