Three-cornered Tune

Three-cornered Tune
It has a tender sound
This little tune I found
I don't know why
It's following me around
It has a etc.
I heard it all begin
Above a Broadway din
And it was so appealing
I joined right in
I heard it ... etc.
And now I walk along
Among the Broadway throng
Inviting everybody
To sing my song
And now I ... etc.