Bud Billings recorded "Hello Young Lindy" in 1930, and it was written by Carson Robison.
https://www.youtube.com/watch?v=X8xlxxJVBysA few months ago, you said the title of the song with sheet music that you were looking for was called "Baby Lindy."
Could the above link be the song you are looking for?
Do the lyrics on the sheet music match the words in the Bud Billings recording?