What is male/female collaboration?

Watch 

https://youtu.be/PcDRKgeqQWs

In one aspect, it shows a superbly gifted and talented soprano, Amanda Forsythe, demonstrating her great ability.

But who wrote what she is performing so admirably?

A man born in 1685 in Halle, Germany,

https://en.wikipedia.org/wiki/George_Frideric_Handel

Both deserve credit

For another example from Handel's Almira (composed when Handel was all of 19 !!!), watch 

https://youtu.be/I4bgMj7SkFk

And for more from Ms. Forsythe and Handel, listen to their Gloria:

https://youtu.be/nOc4XHT8_ug

Nothing "transgender" about Ms. Forsythe, thank god.