The interweaving of different sounds really adds colour, character and emotion to a song. It cannot be said that there is only one type of sound produced by two different instruments playing the same note. This is exactly what makes music truly unique and dynamic because each instrument possesses and produces its own distinct type of sound even while playing the same notes. This intriguing phenomenon is explained by one of the elements of music, timbre. It is true that the presence of melody, rhythm and harmony in a piece is important, but what distinguishes timbre from all these elements is that it explores the different distinct timbral qualities of different types of instruments. Thus, developing and creating great potential with good quality sounds in the music world. Having explained the meaning and meaning of timbre, we will now explore the effects created by the timbre of the four brass instruments used in the Brasses-sion in Concert! Let's start with the trumpet. In played pieces of music, the trumpet can be easily spotted, quickly grabbing your attention and influencing your mood due to the loud, vibrant, energetic and lively sound it makes. In some ways it acts as a key sound because it reproduces a very strong and rich distinct sound that brings out color and emotion in the songs played. It exhibits a certain sound quality that makes it very versatile in portraying various emotions and yet stands out from the rest. It definitely has a strong impact among other brass instruments for its strong and rich sound quality. Now let's move on to the French horn. It somehow emits a fine and subtle melody compared to other brass instruments. Its sound is halfway between the trumpet and the trombone. The presence of the French horn is not particularly felt and yet it still produces a pleasant sound throughout the concert. In some way it acts as a mediator in the concert because it balances the liveliness and volume of the trumpets. It may not have a strong impact, but it sends a relaxing, calm and delightful sound to the audience. The next instrument is the trombone. The presence of the trombone is easily noticeable compared to the French horn, as it produces a louder and louder sound. Its tone is quite lively and dynamic, as if adding spice to a dish.