The first Fringe show specifically created for those with profound learning difficulties is to open at the festival next week.
The Forest, which has already sold out, has been made for those people with PMLD, or profound and multiple learning difficulties.
The show, which has been designed with a range of sensory elements to appeal to those with PMLD, involves touch, smell - each character has a different smell - taste and sound.
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The audience at the play can smell the forest before a storm, feel raindrops on their hands and hear birds singing and twigs cracking underfoot as part of the storytelling experience.
The show, by theatre company, Frozen Light, is at the Pleasance Courtyard for four performances next week.
The show is performed for to up to 12 people - six people with disabilities, each supported by a companion.
The play, with three performers, has a narrative and gives each person with disabilities "their own world to explore and follow the action."
One-to-one interactions between cast and audience include singing directly to each audience member and the encouraging of props to be touched.
A statement from the show says: "In an age when the arts (and Edinburgh Fringe especially) has come under scrutiny for accessibility, The Forest is a timely reminder of the inclusive power of the arts to encourage accessibility.
"It also highlights The Fringe’s stated commitment to improving accessibility for all."
Lucy Garland, with Amber Gregory one of the founders of Frozen Light, said: "We feel it's really important to make work for this audience because they find it so difficult to access theatre.
"We really believe also that we have to make it specifically for them.
"We have been up to the Fringe a few times and believe this really is the first show of its kind - we really wanted to do the Fringe we wanted there to be a show for people with these disabilities."
Frozen Light launched in 2013 "as a response to the fact that arts venues rarely cater for audiences with complex disabilities" they say.
Those with PMLD have more than one disability - the most significant is a profound learning disability and all people who have PMLD will have great difficulty communicating.
Many also have physical disabilities, complex health needs or mental health difficulties.
Ms Garland added that it was important that the show, beyond its sensory aspects, had a strong story and could also be enjoyed by whoever accompanies the disabled audience member.
"It was important for us that everyone there can enjoy the show, " she said.