In 1961, at 71 years of age, Bach sold his company to the Conn-Selmer corporation even though some of the other 13 bids he received were higher.
1961年、71歳の時にバックは会社を（その他13の入札額のうちいくつかはより高かったにもかかわらず）コーン・セルマー社へ売却した。