Here is here
There is here
With a T.
So, this is the song
Sung by those who sing,
The single voices
Those who know
The single and the double,
The here and the there.

The verb “to double”, works,
But “to single” needs “out”,
To make sense, and in that,
Outing, doubles ….

I can only “enter in” by consent.
Still, it’s neither here nor there,
Neither singled out nor doubled,
It’s between the yes and no
That is the current of my heart.