Bei der Hitz im Sommer eß ich
"" (English: In the heat of summer I eat) is a canon for three voices in G major, K. 234/382e. The music was long thought to have been composed by Wolfgang Amadeus Mozart during 1782 in Vienna, but now thought to be the work of Wenzel Trnka. The lyrics appear to stem from Mozart. Authenticity. In 1988, Wolfgang Plath presented evidence that the composer of this piece, as well as K. 233/382d, was in fact Wenzel Trnka (1739–1791). That Mozart might not be the author of K. 229, K. 230, K. 231, K.  233, K. 234 was already mentioned in the Bärenreiter "Neue Mozart-Ausgabe" (NMA) in 1974. Mozart's widow Constanze Mozart submitted the modified canon to publisher Breitkopf & Härtel. Lyrics. The rediscovered, probably original text reads: Alternative lyrics. Shown in Bärenreiter's Neue Mozart-Ausgabe is the text as changed for the 1804 edition of the canons in "Œuvres Complettes" by Breitkopf & Härtel.