Umekichi IWAI (his real name was Umekichi UCHIDA), a retained rickshaw driver of the Chief of Tondabayashi Police Station, thought of writing lyrics for his favorite Kawachi ondo based on the investigation information, but he was illiterate.
そして、富田林署の署長お抱えの人力車夫の岩井梅吉（本名・内田梅吉）が、捜査情報を元に趣味であった河内音頭に歌詞をつけようと思ったが梅吉は文字を書けなかった。