The Darkness was an improv troupe that performed the Bat.
Their press blurb, taken from a 2013 application to perform at The Hideout Theatre:
The Darkness is a collaboration between students and alumni from The New Movement and Hideout Theatres, which began after each theatre had a bat workshop held by Justin Strackany from The New Movement.
And what is the bat?
The bat is improv in the dark.
Just several people seated on stage telling a story through primal sounds, phrases, singular words and emotional conduct.
"What's Your Deal?"
Their answer to the "What's Your Deal?" question on a 2013 application to perform at The Hideout Theatre:
We do the bat.
Our performance is in the dark.
Sometimes with ambient sound.
Sometimes with nothing but our voices and human harmonics to create a story, a "narrative," organically through phrases, single words and primal sounds.
We're an offspring of a Joe Bill workshop that prompted two similar workshops at both the Hideout and New Movement.
Students from both workshops have shown a strong interest in doing more bat improv in and around Austin
so we're looking at theatres to play at.