The Prayer for the Bardo entitled "The Ocean of the Single Intention" (or Gong Chig Gyamtso) was written by Vidyadhara
Jigmé Lingpa, the Tibetan text and English transliterations were kindly inserted by Dechen Wangmo, and the text was
translated by Eric Yonten Gyatso according to the commentary of Traga Rinpoché. 

Throughout Khenpo Munsel's 20 year imprisonment by the Communist Chinese government, even though he was not allowed
to bring anything related to the Buddhist teachings with him, he continued to recite the Gong Chig Gyamtso daily in his mind.
Whenever guards saw Khenpo Munsel's throat move even a little bit, despite him not making a sound, he would be beaten
because they knew he was practicing the Dharma.

Upon being released from prison due to the help of a Chinese physician who mentioned that he should be allowed (in his
poor health) to die elsewhere, Khenpo Munsel had a vision and was told that he would not die yet, but rather his purpose
was to spread the Dharma for a while longer.  Khenpo Munsel thereafter dedicated himself to teaching from "The Ocean
of the Single Intention," making his students memorize it.  Traga Rinpoché is one of these students.

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"In the spirit of the Buddhist tantric tradition, Natural Liberation is concerned primarily with how to take the commonplace states of consciousness experienced in life and death and turn them into opportunities for the highest liberation.  In this work, Padmasambhava, the great 8th century Indian master who established Buddhism in Tibet, describes in detail six [transitional] life-processes, or bardos, and how to transform them into vehicles for enlightenment..."

Natural Liberation provides extensive instruction on each of the six transitional processes that 

make up our existence
in Saṃsāra, "[...] illuminates the most profound questions about who we are, and provides a roadmap for the journey through life, death, and rebirth in great depth and 

simplicity."

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"The transitional process from the time we are born until the time we die is crucial in determining
whether we will go up or down.

With a human incarnation, we possess greater power than other beings to bring about about good,
but also greater power to bring about bad.  We have the ability to know and to understand, and we
must make best use of the favorable conditions of a human incarnation.

We must not meaninglessly waste this opportunity. If we conduct ourselves well in our lives, then
later as we approach death (in the Bardo) and in our next life, we will go further and further up.
There is no doubt in this.

Otherwise we will suffer great fear and pain when we die, our minds will suffer agony and despair,
and (due to our ignorance) we will not recognize the Bardo of Becoming. The purpose of the 'Six
Bardos' teachings is to profoundly move us to engage in practice during the Bardo of Living."