The most exciting opening songs of "If You Are the One" include "Can You Feel It", "I Gotta Feeling", "Sorry", "Uptown Funk" and "Get Ready".

1. "Can You Feel It": This is a song full of energy and enthusiasm, which is very suitable for opening the show. It can quickly ignite the atmosphere of the scene and let the audience feel the joy and passion of the show. This song was composed by Jean Roch. His music style is full of vitality and energy, which is very suitable for variety shows like "If You Are the One".

2. "I Gotta Feeling": This song has a bright rhythm and is full of power. It can quickly grab the audience's attention and is very suitable for opening.

3. "Sorry": This song has a dynamic melody and interesting lyrics, which can make the audience feel relaxed and happy, and increase the entertainment of the program.

4. "Uptown Funk": The melody of this song is full of energy, making people feel happy and excited, and is very suitable for opening the song.

5. "Get Ready": This song has a bright rhythm and is full of power. It can quickly grab the audience's attention and make people full of expectation and excitement.