Conversation so far:
which australian cross is on the australian flag
The flag of Australia is a blue field with the Union Jack and a representation of the Southern Cross constellation.
where did the design for the australian flag come from
The Australian flag's original design (with a six-pointed Commonwealth Star) was chosen in 1901 from entries in a competition.
does the southern crux star appear on other flags besides australia
The four or five brightest stars of Crux appear, heraldically standardised in various ways, on the flags of Australia, Brazil, New Zealand, Papua New Guinea and Samoa.

Question: is the cross in any songs
Self-contained rewrite: is the southern cross in any songs