DON’T KNOW MUCH ABOUT HISTORY:

My dad probably was listening to music from the 1920s — he had 78s in his enormous record collection dating back at least to the 1930s, so the ’20s was highly likely as well. Also, these two compositions written in the 1920s were getting played as well in the 1970s:

You may recognize the latter composition better in its ever-so-lightly reworked cover version, released in 1971: