The Mendelssohn family was at that time staying briefly in Frankfurt and the young Hiller visited them where he was immensely impressed by the playing of Felix (and even more so by that of his sister Fanny Mendelssohn).
Familia Mendelssohn a locuit în acea vreme o scurtă perioadă la Frankfurt și tânărul Hiller a vizitat-o, fiind extrem de impresionat de interpretarea lui Felix (și chiar mai mult de cea a surorii lui, Fanny Mendelssohn).