Before G-hour, the cast of artists had a program run in Ho Chi Minh City in hot weather conditions, lasting from morning to late evening.
According to information from the organizers, the general rehearsal took place at high intensity, the artists continuously practiced formations and perfected every detail in the stage script. The close coordination between the production crew and the "Anh trai" cast is considered an important preparation step to ensure quality for the performance on the evening of April 18th at Van Phuc City.
Despite the great training pressure, the atmosphere of the program run was still lively with many humorous interactive moments. This is also an opportunity for artists to reunite after nearly a year, and reminisce about memories from the previous journey.



Besides completing the performance, the cast also attracted attention with a series of unique designs in the "Best Rehearsal Outfit" category. Notably, Nicky transformed into singer Phung Khanh Linh with white hair and strange accessories, while Captain Boy appeared with the image of Winnie-the-Pooh bear. Quan A.P chose the "old man" style with a bà ba shirt, while JSOL caused laughter when wearing a giant pair of sandals.
Behind-the-scenes images were quickly shared on social networks, attracting the attention of the fan community. Many viewers expressed excitement when they saw the spirit of cohesion and positive energy of the cast of artists still being maintained.
Notably, the series of side activities organized by fans such as food trucks, photobooths or roadshows also contribute to heating up the atmosphere before the concert. This is considered one of the factors creating the unique attraction of the program, when the audience not only watches but also directly participates in activities.
Launched in 2024, "Hello Brother" quickly became an entertainment phenomenon with strong spread on digital platforms.
With careful preparation and a series of performances that once made a mark, the 9th night concert is expected to continue to bring a mãn nhãn music experience, and at the same time mark a notable reappearance of the cast of artists after a long absence.