Religions are social institutions...
They work as such and play their role in each culture...
Attacking religions is preposterous or useless..
Mystics in all religions are often "heretics", always free individuals, sometimes imprisoned because they disturb the institution...
If we speak of spiritual in music, the religions matter not so much, but the mystical insight of the musician matter...
Religions is no more an obstacles than a chair... It serve a purpose sometimes well sometimes not...
The feminine and the masculine are polarities in each of us male or female... What matter is the balance...
More and more woman in politics for example will not improve politics if we live in a bad political set of institutions... There exist too much example of female psychopaths, nevropaths or sociopaths in politics to disprove this point...
the fact that you observe a lost of balance between the polarities by the predominant power of one over the other dont means that the feminine power will solve the problem by virtue of its nature... balance is needed thats all ...
Do you know "the master and his emissaries" of Iain McGilchrist ?
He is a neuroscientist who describe the lost of balance in our civilization but not associating with male/female concerpt but with the modes of attention and their relation with the hemispherical brain...
This book will be very useful for you...not as deep as Gebser but deep too ...
I must admit that spirituality in music is difficult to talk about. Especially from my point of view because I see religions as something that get in the way. But first, of course, the composer must have a depth of feeling and spiritual connection. If that is the case, then any metaphors can be used as a lattice on which spiritual music can be strung.