In the spiritual life of the Central Highlands in general and the ethnic minorities in Sa Thay in particular, festivals always play a particularly important role. Over time, the festival accompanies, handed down through generations, contributing to the unique cultural identity of each nation in the area.

"Ngh Yang pô dei khăm hau" is a festival of worshiping Yang before bringing rice to the warehouse of Jrai A people. Around September and October each year, when the rice fields are about to enter their full maturity, the village elder convenes a meeting of responsible people, discussing the preparations for the festival. Depending on the crop signal that determines the size of the organization. After agreeing on the time and contribution level of the heads of households, the village elders as the commander-in-chief, assigning members to perform specific tasks such as buying buffaloes, goats, pigs and chickens as animals. sacrifices, felling erected trees, etc. The atmosphere quickly prepared and spread in every family.

Normally, the festival period is held for 3 days. On the first day, everyone gathered to make trees. Each group of artisans is responsible for each job fluently. The village patriarch chose a position to help young people dig holes, cut chicken blood down, light a fire to worship Yàng and then raise trees. Then the buffalo was brought back, tied to the noose by a very strong rattan rope. At this moment, a small pig is offered to draw blood into the tree. That night, the whole village did not sleep but performed a ritual to contribute sacred rice. A representative committee set the torch to go to each house, the head of the household took a handful of fragrant rice to contribute to the communal basket of the village to take to the communal house.

The second day is really the ceremony itself. When the sun was just up, the gong sounded. The bustling sound of gongs and gongs echoing into the cliffs, melancholy spread in the air like a newspaper to the spirit of the villagers began the ceremony. Elderly villagers in traditional costumes, carrying swords, carrying out rituals of sprinkling sacred rice, offering sacred wine, praying to Yang and dancing and slashing lightly at the buffalo. Called guillotine because Jrai A people only stabbed buffalo when celebrating victory, celebrating victory. The sound of gongs is bustling and deep. The sinus cavity begins to grow larger, more layered. Buffaloes are made of muscular young men, falling down, cutting blood, hanging heads and tails on trees. At this time, inside the communal house, there were two sacred wine bottles prepared, each worth up to several dozen buffaloes. Along with wine, a little heart, buffalo liver is put into items made of fresh giant bamboo, extremely sophisticated pattern to offer to Yang. The village patriarch continued to preside over the ceremony, with a great vow of thanks to Yang for the rain, sunshine, and harmony, the rice was not destroyed by pigs, deer, forest rats. This ritual is performed only by the elderly and respected and respected people. Everyone prayed silently praying, just dabbing fingers on the sacred wine and then put on mouth shut. Next is the string-holding ceremony, an extremely unique spiritual procedure called Hrế Prang. The rope tied from the neck of the sacred wine was flowed down below the communal house, the villagers grasped it to form a continuous stream of people. According to the concept, the rope is a sympathetic relationship between man and god. When holding the rope, each person's wishes will be accepted by the spirit to help. Holding the strings also shows a very high level of community, It is meant to unite every member of the village as a whole. Part of the ritual is now complete. People started to divide meat for households. At the same time from all directions, the villagers carried wine to contribute to prepare for the night gathering. The wine jars keep coming in line and line. Owners rushed to invite guests from one apartment to another, guests have to drink to get really drunk. When he was slightly overwhelmed, it was also the time when the love songs started to play, with passionate eyes, love. Guests must drink to get really drunk. When he was slightly overwhelmed, it was also the time when the love songs started to play, with passionate eyes, love. Guests must drink to get really drunk. When he was slightly overwhelmed, it was also the time when the love songs started to play, with passionate eyes, love.

The third day is internal only. The village patriarch and those responsible for reviewing what has been and has not been about the festival just held to learn from experience. Continue to eat buffalo head, drink wine, discuss the harvest of rice so quickly, to avoid losses. Planting Po lang tree, a small branch like a stick between "Gung" columns. This is a tree with intense vitality, symbolizing the strength of the community and ends with hanging buffalo bone on the roof.

The festival "Ngăh Yang pô deiăm hau" is actually a way of expressing the culture of human behavior with the gods. It comes from a productive working life which is highly dependent on nature. According to Jrai A's way of thinking, thanks to Yang's protection and blessing, the rice field was filled. So organizing the festival is to express gratitude, to act as a reward for the gods. At the same time, through the festival, it is an opportunity for each member of the village community to realize their responsibilities and interests. The most obvious manifestation of the string-holding ceremony is that anyone who does not participate voluntarily means that he or she is separated from the community. The festival is also an environment to meet the needs of people to exchange, after months of hard work. Through many generations, despite the many impacts of the social, natural environment ... but the festival ".