(AFA - 2012)Observe the fragment taken from the bl

(AFA - 2012)

Observe the fragment taken from the blues Blow Wind Blow (Muddy Waters, Paul Butterfield) to answer the question.

When the sun rose this morning,
I didn't have my baby by my side.
When the sun rose this morning,
I didn't have my baby by my side.
I don't know where she was,
I know she's out with some another guy.

 

In the context of the song, the word “when” can be substituted for